70431610 has 8 divisors (see below), whose sum is σ = 126776916. Its totient is φ = 28172640.

The previous prime is 70431593. The next prime is 70431611. The reversal of 70431610 is 1613407.

It can be written as a sum of positive squares in 2 ways, for example, as 69572281 + 859329 = 8341^2 + 927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×70431610² = 9921223374384200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70431611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3521571 + ... + 3521590.

Almost surely, 2^70431610 is an apocalyptic number.

70431610 is a deficient number, since it is larger than the sum of its proper divisors (56345306).

70431610 is a wasteful number, since it uses less digits than its factorization.

70431610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043168.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 70431610 is about 8392.3542584903. The cubic root of 70431610 is about 412.9738368870.

The spelling of 70431610 in words is "seventy million, four hundred thirty-one thousand, six hundred ten".