70518444 has 24 divisors (see below), whose sum is σ = 164721648. Its totient is φ = 23480640.

The previous prime is 70518439. The next prime is 70518463. The reversal of 70518444 is 44481507.

It is a super-2 number, since 2×70518444² = 9945701888362272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10774 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (6863402).

Almost surely, 2^70518444 is an apocalyptic number.

It is an amenable number.

70518444 is an abundant number, since it is smaller than the sum of its proper divisors (94203204).

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

70518444 is a wasteful number, since it uses less digits than its factorization.

70518444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 70518444 is about 8397.5260642644. The cubic root of 70518444 is about 413.1434834566.

The spelling of 70518444 in words is "seventy million, five hundred eighteen thousand, four hundred forty-four".