70712331 has 16 divisors (see below), whose sum is σ = 96851328. Its totient is φ = 45864000.

The previous prime is 70712311. The next prime is 70712351. The reversal of 70712331 is 13321707.

It is an interprime number because it is at equal distance from previous prime (70712311) and next prime (70712351).

It is not a de Polignac number, because 70712331 - 2⁹ = 70711819 is a prime.

It is a super-2 number, since 2×70712331² = 10000467510907122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70712311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66756 + ... + 67806.

It is an arithmetic number, because the mean of its divisors is an integer number (6053208).

Almost surely, 2^70712331 is an apocalyptic number.

70712331 is a deficient number, since it is larger than the sum of its proper divisors (26138997).

70712331 is a wasteful number, since it uses less digits than its factorization.

70712331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 70712331 is about 8409.0624328756. The cubic root of 70712331 is about 413.5217762112.

The spelling of 70712331 in words is "seventy million, seven hundred twelve thousand, three hundred thirty-one".