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72707054 = 275193361
BaseRepresentation
bin1000101010101…
…10101111101110
312001210220022212
410111112233232
5122103111204
611114210422
71541666630
oct425265756
9161726285
1072707054
113804a982
1220423a12
13120a8a34
149928a50
1565b2c6e
hex4556bee

72707054 has 8 divisors (see below), whose sum is σ = 124640688. Its totient is φ = 31160160.

The previous prime is 72707039. The next prime is 72707069. The reversal of 72707054 is 45070727.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72707039) and next prime (72707069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 72707054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2596667 + ... + 2596694.

It is an arithmetic number, because the mean of its divisors is an integer number (15580086).

Almost surely, 272707054 is an apocalyptic number.

72707054 is a deficient number, since it is larger than the sum of its proper divisors (51933634).

72707054 is a wasteful number, since it uses less digits than its factorization.

72707054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193370.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 72707054 is about 8526.8431438605. The cubic root of 72707054 is about 417.3741196028.

The spelling of 72707054 in words is "seventy-two million, seven hundred seven thousand, fifty-four".

Divisors: 1 2 7 14 5193361 10386722 36353527 72707054