70440818 has 16 divisors (see below), whose sum is σ = 122002944. Its totient is φ = 29877120.

The previous prime is 70440781. The next prime is 70440841. The reversal of 70440818 is 81804407.

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, 24578 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (7625184).

Almost surely, 2^70440818 is an apocalyptic number.

70440818 is a deficient number, since it is larger than the sum of its proper divisors (51562126).

70440818 is a wasteful number, since it uses less digits than its factorization.

70440818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51977.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 70440818 is about 8392.9028351340. The cubic root of 70440818 is about 412.9918330556.

The spelling of 70440818 in words is "seventy million, four hundred forty thousand, eight hundred eighteen".