70932240 has 80 divisors (see below), whose sum is σ = 244329600. Its totient is φ = 18914688.

The previous prime is 70932233. The next prime is 70932269. The reversal of 70932240 is 4223907.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14260 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (3054120).

Almost surely, 2^70932240 is an apocalyptic number.

It is an amenable number.

70932240 is an abundant number, since it is smaller than the sum of its proper divisors (173397360).

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

70932240 is a wasteful number, since it uses less digits than its factorization.

70932240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32861 (or 32849 counting only the distinct ones).

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

The square root of 70932240 is about 8422.1279971276. The cubic root of 70932240 is about 413.9500044647.

The spelling of 70932240 in words is "seventy million, nine hundred thirty-two thousand, two hundred forty".