70557445 has 16 divisors (see below), whose sum is σ = 100972800. Its totient is φ = 46278144.

The previous prime is 70557439. The next prime is 70557479. The reversal of 70557445 is 54475507.

It is a cyclic number.

It is not a de Polignac number, because 70557445 - 2³ = 70557437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43020 + ... + 44629.

It is an arithmetic number, because the mean of its divisors is an integer number (6310800).

Almost surely, 2^70557445 is an apocalyptic number.

It is an amenable number.

70557445 is a deficient number, since it is larger than the sum of its proper divisors (30415355).

70557445 is a wasteful number, since it uses less digits than its factorization.

70557445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87684.

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 70557445 is about 8399.8479152899. The cubic root of 70557445 is about 413.2196339335.

The spelling of 70557445 in words is "seventy million, five hundred fifty-seven thousand, four hundred forty-five".