312650072 has 16 divisors (see below), whose sum is σ = 669964560. Its totient is φ = 133992864.

The previous prime is 312650057. The next prime is 312650083. The reversal of 312650072 is 270056213.

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, 2791463 + ... + 2791574.

It is an arithmetic number, because the mean of its divisors is an integer number (41872785).

Almost surely, 2^312650072 is an apocalyptic number.

It is an amenable number.

312650072 is an abundant number, since it is smaller than the sum of its proper divisors (357314488).

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

312650072 is a wasteful number, since it uses less digits than its factorization.

312650072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583050 (or 5583046 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 312650072 is about 17681.9136973349. The cubic root of 312650072 is about 678.7130155859.

The spelling of 312650072 in words is "three hundred twelve million, six hundred fifty thousand, seventy-two".