74373699975 has 48 divisors (see below), whose sum is σ = 124384518048. Its totient is φ = 39208919040.

The previous prime is 74373699943. The next prime is 74373699977. The reversal of 74373699975 is 57999637347.

It is not a de Polignac number, because 74373699975 - 2⁵ = 74373699943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74373699977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6374347 + ... + 6386003.

It is an arithmetic number, because the mean of its divisors is an integer number (2591344126).

Almost surely, 2^74373699975 is an apocalyptic number.

74373699975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74373699975 is a deficient number, since it is larger than the sum of its proper divisors (50010818073).

74373699975 is a wasteful number, since it uses less digits than its factorization.

74373699975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644 (or 12639 counting only the distinct ones).

The product of its digits is 270050760, while the sum is 69.

The spelling of 74373699975 in words is "seventy-four billion, three hundred seventy-three million, six hundred ninety-nine thousand, nine hundred seventy-five".