19629700074 has 48 divisors (see below), whose sum is σ = 42998050368. Its totient is φ = 6471472896.

The previous prime is 19629700067. The next prime is 19629700117. The reversal of 19629700074 is 47000792691.

19629700074 is a `hidden beast` number, since 19 + 629 + 7 + 0 + 0 + 0 + 7 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3641209 + ... + 3646595.

It is an arithmetic number, because the mean of its divisors is an integer number (895792716).

Almost surely, 2^19629700074 is an apocalyptic number.

19629700074 is an abundant number, since it is smaller than the sum of its proper divisors (23368350294).

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

19629700074 is a wasteful number, since it uses less digits than its factorization.

19629700074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579 (or 7576 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 19629700074 in words is "nineteen billion, six hundred twenty-nine million, seven hundred thousand, seventy-four".