70712330 has 32 divisors (see below), whose sum is σ = 138184704. Its totient is φ = 25897536.

The previous prime is 70712311. The next prime is 70712351. The reversal of 70712330 is 3321707.

It is a super-2 number, since 2×70712330² = 10000467228057800, which contains 22 as substring.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 70712296 and 70712305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14369 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (4318272).

Almost surely, 2^70712330 is an apocalyptic number.

70712330 is a deficient number, since it is larger than the sum of its proper divisors (67472374).

70712330 is a wasteful number, since it uses less digits than its factorization.

70712330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430.

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 70712330 is about 8409.0623734160. The cubic root of 70712330 is about 413.5217742618.

The spelling of 70712330 in words is "seventy million, seven hundred twelve thousand, three hundred thirty".