612957340 has 24 divisors (see below), whose sum is σ = 1331598240. Its totient is φ = 236728128.

The previous prime is 612957277. The next prime is 612957353. The reversal of 612957340 is 43759216.

It is a self number, because there is not a number n which added to its sum of digits gives 612957340.

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, 527832 + ... + 528991.

It is an arithmetic number, because the mean of its divisors is an integer number (55483260).

Almost surely, 2^612957340 is an apocalyptic number.

It is an amenable number.

612957340 is an abundant number, since it is smaller than the sum of its proper divisors (718640900).

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

612957340 is a wasteful number, since it uses less digits than its factorization.

612957340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056861 (or 1056859 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 612957340 is about 24757.9752807050. The cubic root of 612957340 is about 849.4609454109.

It can be divided in two parts, 61295 and 7340, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 612957340 in words is "six hundred twelve million, nine hundred fifty-seven thousand, three hundred forty".