2072621994 has 32 divisors (see below), whose sum is σ = 4281538560. Its totient is φ = 668185200.

The previous prime is 2072621981. The next prime is 2072622001. The reversal of 2072621994 is 4991262702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559689 + ... + 563379.

It is an arithmetic number, because the mean of its divisors is an integer number (133798080).

Almost surely, 2^2072621994 is an apocalyptic number.

2072621994 is an abundant number, since it is smaller than the sum of its proper divisors (2208916566).

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

2072621994 is a wasteful number, since it uses less digits than its factorization.

2072621994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2072621994 is about 45526.0584061480. The cubic root of 2072621994 is about 1274.9897718518.

The spelling of 2072621994 in words is "two billion, seventy-two million, six hundred twenty-one thousand, nine hundred ninety-four".