612377020 has 12 divisors (see below), whose sum is σ = 1285991784. Its totient is φ = 244950800.

The previous prime is 612376997. The next prime is 612377057. The reversal of 612377020 is 20773216.

It is a super-2 number, since 2×612377020² = 750011229248160800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612377020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15309406 + ... + 15309445.

It is an arithmetic number, because the mean of its divisors is an integer number (107165982).

Almost surely, 2^612377020 is an apocalyptic number.

It is an amenable number.

612377020 is an abundant number, since it is smaller than the sum of its proper divisors (673614764).

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

612377020 is a wasteful number, since it uses less digits than its factorization.

612377020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30618860 (or 30618858 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 612377020 is about 24746.2526456027. The cubic root of 612377020 is about 849.1927838299.

The spelling of 612377020 in words is "six hundred twelve million, three hundred seventy-seven thousand, twenty".