70477144 has 24 divisors (see below), whose sum is σ = 133403940. Its totient is φ = 34905248.

The previous prime is 70477139. The next prime is 70477153. The reversal of 70477144 is 44177407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310359 + ... + 310585.

Almost surely, 2^70477144 is an apocalyptic number.

It is an amenable number.

70477144 is a deficient number, since it is larger than the sum of its proper divisors (62926796).

70477144 is a wasteful number, since it uses less digits than its factorization.

70477144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 70477144 is about 8395.0666465490. The cubic root of 70477144 is about 413.0628135070.

The spelling of 70477144 in words is "seventy million, four hundred seventy-seven thousand, one hundred forty-four".