70610436 has 108 divisors (see below), whose sum is σ = 199882956. Its totient is φ = 20891520.

The previous prime is 70610381. The next prime is 70610443. The reversal of 70610436 is 63401607.

70610436 is a `hidden beast` number, since 7 + 0 + 610 + 43 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15256836 + 55353600 = 3906^2 + 7440^2 .

It is a super-2 number, since 2×70610436² = 9971667344220192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 449670 + ... + 449826.

Almost surely, 2^70610436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70610436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99941478).

70610436 is an abundant number, since it is smaller than the sum of its proper divisors (129272520).

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

70610436 is a wasteful number, since it uses less digits than its factorization.

70610436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70610436 is about 8403.0016065689. The cubic root of 70610436 is about 413.3230553000.

Subtracting from 70610436 its sum of digits (27), we obtain a square (70610409 = 8403²).

The spelling of 70610436 in words is "seventy million, six hundred ten thousand, four hundred thirty-six".