70190644 has 12 divisors (see below), whose sum is σ = 123324768. Its totient is φ = 34955000.

The previous prime is 70190633. The next prime is 70190669. The reversal of 70190644 is 44609107.

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 3 ways as a sum of consecutive naturals, for example, 33952 + ... + 35959.

It is an arithmetic number, because the mean of its divisors is an integer number (10277064).

Almost surely, 2^70190644 is an apocalyptic number.

It is an amenable number.

70190644 is a deficient number, since it is larger than the sum of its proper divisors (53134124).

70190644 is a wasteful number, since it uses less digits than its factorization.

70190644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70166 (or 70164 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70190644 is about 8377.9856767603. The cubic root of 70190644 is about 412.5023328916.

The spelling of 70190644 in words is "seventy million, one hundred ninety thousand, six hundred forty-four".