74258455397 has 32 divisors (see below), whose sum is σ = 90994252800. Its totient is φ = 59245095168.

The previous prime is 74258455379. The next prime is 74258455433. The reversal of 74258455397 is 79355485247.

It is a de Polignac number, because none of the positive numbers 2^k-74258455397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74258455357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 773348 + ... + 864050.

It is an arithmetic number, because the mean of its divisors is an integer number (2843570400).

Almost surely, 2^74258455397 is an apocalyptic number.

It is an amenable number.

74258455397 is a deficient number, since it is larger than the sum of its proper divisors (16735797403).

74258455397 is a wasteful number, since it uses less digits than its factorization.

74258455397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90885.

The product of its digits is 42336000, while the sum is 59.

The spelling of 74258455397 in words is "seventy-four billion, two hundred fifty-eight million, four hundred fifty-five thousand, three hundred ninety-seven".