850072620 has 48 divisors (see below), whose sum is σ = 2395991808. Its totient is φ = 225182400.

The previous prime is 850072603. The next prime is 850072667. The reversal of 850072620 is 26270058.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37854 + ... + 55973.

It is an arithmetic number, because the mean of its divisors is an integer number (49916496).

Almost surely, 2^850072620 is an apocalyptic number.

It is an amenable number.

850072620 is an abundant number, since it is smaller than the sum of its proper divisors (1545919188).

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

850072620 is a wasteful number, since it uses less digits than its factorization.

850072620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93990 (or 93988 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 850072620 is about 29156.0048703522. The cubic root of 850072620 is about 947.2952131312.

The spelling of 850072620 in words is "eight hundred fifty million, seventy-two thousand, six hundred twenty".