74918947355 has 32 divisors (see below), whose sum is σ = 105794881920. Its totient is φ = 49855703040.

The previous prime is 74918947349. The next prime is 74918947373. The reversal of 74918947355 is 55374981947.

It is not a de Polignac number, because 74918947355 - 2¹⁴ = 74918930971 is a prime.

It is a super-2 number, since 2×74918947355² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429395 + ... + 578115.

It is an arithmetic number, because the mean of its divisors is an integer number (3306090060).

Almost surely, 2^74918947355 is an apocalyptic number.

74918947355 is a deficient number, since it is larger than the sum of its proper divisors (30875934565).

74918947355 is a wasteful number, since it uses less digits than its factorization.

74918947355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149159.

The product of its digits is 38102400, while the sum is 62.

The spelling of 74918947355 in words is "seventy-four billion, nine hundred eighteen million, nine hundred forty-seven thousand, three hundred fifty-five".