74927897952 has 48 divisors (see below), whose sum is σ = 196839357120. Its totient is φ = 24956458112.

The previous prime is 74927897927. The next prime is 74927898013. The reversal of 74927897952 is 25979872947.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×74927897952² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181002 + ... + 427337.

It is an arithmetic number, because the mean of its divisors is an integer number (4100819940).

Almost surely, 2^74927897952 is an apocalyptic number.

It is an amenable number.

74927897952 is an abundant number, since it is smaller than the sum of its proper divisors (121911459168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74927897952 is a wasteful number, since it uses less digits than its factorization.

74927897952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609635 (or 609627 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 69.

The spelling of 74927897952 in words is "seventy-four billion, nine hundred twenty-seven million, eight hundred ninety-seven thousand, nine hundred fifty-two".