73772113 has 4 divisors (see below), whose sum is σ = 74461680. Its totient is φ = 73082548.

The previous prime is 73772099. The next prime is 73772123. The reversal of 73772113 is 31127737.

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 73772113 - 2⁵ = 73772081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73772123) 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, 344623 + ... + 344836.

It is an arithmetic number, because the mean of its divisors is an integer number (18615420).

Almost surely, 2^73772113 is an apocalyptic number.

It is an amenable number.

73772113 is a deficient number, since it is larger than the sum of its proper divisors (689567).

73772113 is a wasteful number, since it uses less digits than its factorization.

73772113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689566.

The product of its digits is 6174, while the sum is 31.

The square root of 73772113 is about 8589.0693908013. The cubic root of 73772113 is about 419.4022354257.

The spelling of 73772113 in words is "seventy-three million, seven hundred seventy-two thousand, one hundred thirteen".