74257257092 has 12 divisors (see below), whose sum is σ = 133119717276. Its totient is φ = 36223052160.

The previous prime is 74257257049. The next prime is 74257257103. The reversal of 74257257092 is 29075275247.

It can be written as a sum of positive squares in 2 ways, for example, as 29827362436 + 44429894656 = 172706^2 + 210784^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74257257092.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226393913 + ... + 226394240.

It is an arithmetic number, because the mean of its divisors is an integer number (11093309773).

Almost surely, 2^74257257092 is an apocalyptic number.

It is an amenable number.

74257257092 is a deficient number, since it is larger than the sum of its proper divisors (58862460184).

74257257092 is a wasteful number, since it uses less digits than its factorization.

74257257092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452788198 (or 452788196 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 74257257092 in words is "seventy-four billion, two hundred fifty-seven million, two hundred fifty-seven thousand, ninety-two".