74931622274039 has 4 divisors (see below), whose sum is σ = 74931776911560. Its totient is φ = 74931467636520.

The previous prime is 74931622274027. The next prime is 74931622274059. The reversal of 74931622274039 is 93047222613947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74931622274039 is a prime.

It is a super-2 number, since 2×74931622274039² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74931622274059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76589624 + ... + 77561805.

It is an arithmetic number, because the mean of its divisors is an integer number (18732944227890).

Almost surely, 2^{74931622274039} is an apocalyptic number.

74931622274039 is a deficient number, since it is larger than the sum of its proper divisors (154637521).

74931622274039 is a wasteful number, since it uses less digits than its factorization.

74931622274039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154637520.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 74931622274039 in words is "seventy-four trillion, nine hundred thirty-one billion, six hundred twenty-two million, two hundred seventy-four thousand, thirty-nine".