70631452 has 6 divisors (see below), whose sum is σ = 123605048. Its totient is φ = 35315724.

The previous prime is 70631377. The next prime is 70631453. The reversal of 70631452 is 25413607.

It is a self number, because there is not a number n which added to its sum of digits gives 70631452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70631453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8828928 + ... + 8828935.

Almost surely, 2^70631452 is an apocalyptic number.

It is an amenable number.

70631452 is a deficient number, since it is larger than the sum of its proper divisors (52973596).

70631452 is a wasteful number, since it uses less digits than its factorization.

70631452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17657867 (or 17657865 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 70631452 is about 8404.2520190675. The cubic root of 70631452 is about 413.3640574340.

It can be divided in two parts, 7063 and 1452, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 70631452 in words is "seventy million, six hundred thirty-one thousand, four hundred fifty-two".