74754202140 has 36 divisors (see below), whose sum is σ = 226754413704. Its totient is φ = 19934453856.

The previous prime is 74754202111. The next prime is 74754202157. The reversal of 74754202140 is 4120245747.

74754202140 is a `hidden beast` number, since 7 + 475 + 42 + 0 + 2 + 140 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 74754202095 and 74754202104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207650382 + ... + 207650741.

It is an arithmetic number, because the mean of its divisors is an integer number (6298733714).

Almost surely, 2^74754202140 is an apocalyptic number.

It is an amenable number.

74754202140 is an abundant number, since it is smaller than the sum of its proper divisors (152000211564).

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

74754202140 is a wasteful number, since it uses less digits than its factorization.

74754202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415301138 (or 415301133 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

Adding to 74754202140 its reverse (4120245747), we get a palindrome (78874447887).

The spelling of 74754202140 in words is "seventy-four billion, seven hundred fifty-four million, two hundred two thousand, one hundred forty".