70742472 has 32 divisors (see below), whose sum is σ = 186165600. Its totient is φ = 22339584.

The previous prime is 70742467. The next prime is 70742501. The reversal of 70742472 is 27424707.

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 7 ways as a sum of consecutive naturals, for example, 77113 + ... + 78024.

It is an arithmetic number, because the mean of its divisors is an integer number (5817675).

Almost surely, 2^70742472 is an apocalyptic number.

It is an amenable number.

70742472 is an abundant number, since it is smaller than the sum of its proper divisors (115423128).

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

70742472 is a wasteful number, since it uses less digits than its factorization.

70742472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155165 (or 155161 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 70742472 is about 8410.8544155752. The cubic root of 70742472 is about 413.5805221620.

The spelling of 70742472 in words is "seventy million, seven hundred forty-two thousand, four hundred seventy-two".