70493072 has 20 divisors (see below), whose sum is σ = 147086940. Its totient is φ = 32535168.

The previous prime is 70493047. The next prime is 70493077. The reversal of 70493072 is 27039407.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10523536 + 59969536 = 3244^2 + 7744^2 .

It is not an unprimeable number, because it can be changed into a prime (70493077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 169247 + ... + 169662.

It is an arithmetic number, because the mean of its divisors is an integer number (7354347).

Almost surely, 2^70493072 is an apocalyptic number.

It is an amenable number.

70493072 is an abundant number, since it is smaller than the sum of its proper divisors (76593868).

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

70493072 is a wasteful number, since it uses less digits than its factorization.

70493072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338930 (or 338924 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 70493072 is about 8396.0152453411. The cubic root of 70493072 is about 413.0939288849.

The spelling of 70493072 in words is "seventy million, four hundred ninety-three thousand, seventy-two".