70743432 has 32 divisors (see below), whose sum is σ = 177091200. Its totient is φ = 23550144.

The previous prime is 70743427. The next prime is 70743433. The reversal of 70743432 is 23434707.

It is a super-2 number, since 2×70743432² = 10009266342277248, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70743432.

It is not an unprimeable number, because it can be changed into a prime (70743433) by changing a digit.

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, 23518 + ... + 26354.

It is an arithmetic number, because the mean of its divisors is an integer number (5534100).

Almost surely, 2^70743432 is an apocalyptic number.

It is an amenable number.

70743432 is an abundant number, since it is smaller than the sum of its proper divisors (106347768).

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

70743432 is a wasteful number, since it uses less digits than its factorization.

70743432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 70743432 is about 8410.9114844944. The cubic root of 70743432 is about 413.5823929641.

The spelling of 70743432 in words is "seventy million, seven hundred forty-three thousand, four hundred thirty-two".