70486312 has 32 divisors (see below), whose sum is σ = 146926080. Its totient is φ = 31481280.

The previous prime is 70486307. The next prime is 70486313. The reversal of 70486312 is 21368407.

It is a super-2 number, since 2×70486312² = 9936640358722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (70486313) 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, 7708 + ... + 14155.

It is an arithmetic number, because the mean of its divisors is an integer number (4591440).

Almost surely, 2^70486312 is an apocalyptic number.

It is an amenable number.

70486312 is an abundant number, since it is smaller than the sum of its proper divisors (76439768).

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

70486312 is a wasteful number, since it uses less digits than its factorization.

70486312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21913 (or 21909 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70486312 is about 8395.6126637667. The cubic root of 70486312 is about 413.0807237848.

The spelling of 70486312 in words is "seventy million, four hundred eighty-six thousand, three hundred twelve".