1072620894 has 16 divisors (see below), whose sum is σ = 2214443520. Its totient is φ = 346006680.

The previous prime is 1072620877. The next prime is 1072620907. The reversal of 1072620894 is 4980262701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883204 + ... + 2883575.

It is an arithmetic number, because the mean of its divisors is an integer number (138402720).

Almost surely, 2^1072620894 is an apocalyptic number.

1072620894 is an abundant number, since it is smaller than the sum of its proper divisors (1141822626).

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

1072620894 is a wasteful number, since it uses less digits than its factorization.

1072620894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766815.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1072620894 is about 32750.8914993165. The cubic root of 1072620894 is about 1023.6435418795.

The spelling of 1072620894 in words is "one billion, seventy-two million, six hundred twenty thousand, eight hundred ninety-four".