72334457 has 8 divisors (see below), whose sum is σ = 79556736. Its totient is φ = 65349072.

The previous prime is 72334433. The next prime is 72334489. The reversal of 72334457 is 75443327.

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

It is a cyclic number.

It is not a de Polignac number, because 72334457 - 2⁶ = 72334393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71334457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58583 + ... + 59804.

It is an arithmetic number, because the mean of its divisors is an integer number (9944592).

Almost surely, 2^72334457 is an apocalyptic number.

It is an amenable number.

72334457 is a deficient number, since it is larger than the sum of its proper divisors (7222279).

72334457 is a wasteful number, since it uses less digits than its factorization.

72334457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118447.

The product of its digits is 70560, while the sum is 35.

The square root of 72334457 is about 8504.9666078122. The cubic root of 72334457 is about 416.6599351090.

The spelling of 72334457 in words is "seventy-two million, three hundred thirty-four thousand, four hundred fifty-seven".