70233840 has 60 divisors (see below), whose sum is σ = 235871064. Its totient is φ = 18728832.

The previous prime is 70233827. The next prime is 70233869. The reversal of 70233840 is 4833207.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×70233840² = 9865584562291200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48054 + ... + 49493.

Almost surely, 2^70233840 is an apocalyptic number.

It is an amenable number.

70233840 is an abundant number, since it is smaller than the sum of its proper divisors (165637224).

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

70233840 is a wasteful number, since it uses less digits than its factorization.

70233840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97566 (or 97557 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70233840 is about 8380.5632268959. The cubic root of 70233840 is about 412.5869348451.

The spelling of 70233840 in words is "seventy million, two hundred thirty-three thousand, eight hundred forty".