612373340 has 24 divisors (see below), whose sum is σ = 1313347392. Its totient is φ = 239737280.

The previous prime is 612373297. The next prime is 612373343. The reversal of 612373340 is 43373216.

It is a happy number.

It is a super-2 number, since 2×612373340² = 750002215085511200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612373343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324791 + ... + 326670.

It is an arithmetic number, because the mean of its divisors is an integer number (54722808).

Almost surely, 2^612373340 is an apocalyptic number.

It is an amenable number.

612373340 is an abundant number, since it is smaller than the sum of its proper divisors (700974052).

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

612373340 is a wasteful number, since it uses less digits than its factorization.

612373340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651517 (or 651515 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 612373340 is about 24746.1782907988. The cubic root of 612373340 is about 849.1910827886.

The spelling of 612373340 in words is "six hundred twelve million, three hundred seventy-three thousand, three hundred forty".