73925729 has 4 divisors (see below), whose sum is σ = 75644976. Its totient is φ = 72206484.

The previous prime is 73925699. The next prime is 73925743. The reversal of 73925729 is 92752937.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73925729 - 2¹² = 73921633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73925729.

It is not an unprimeable number, because it can be changed into a prime (73925759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859559 + ... + 859644.

It is an arithmetic number, because the mean of its divisors is an integer number (18911244).

Almost surely, 2^73925729 is an apocalyptic number.

It is an amenable number.

73925729 is a deficient number, since it is larger than the sum of its proper divisors (1719247).

73925729 is a wasteful number, since it uses less digits than its factorization.

73925729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719246.

The product of its digits is 238140, while the sum is 44.

The square root of 73925729 is about 8598.0072691293. The cubic root of 73925729 is about 419.6931413161.

The spelling of 73925729 in words is "seventy-three million, nine hundred twenty-five thousand, seven hundred twenty-nine".