70577397 has 24 divisors (see below), whose sum is σ = 113319648. Its totient is φ = 41964000.

The previous prime is 70577383. The next prime is 70577399. The reversal of 70577397 is 79377507.

70577397 is a `hidden beast` number, since 70 + 577 + 3 + 9 + 7 = 666.

It is not a de Polignac number, because 70577397 - 2⁶ = 70577333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70577399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1479 + ... + 11972.

It is an arithmetic number, because the mean of its divisors is an integer number (4721652).

Almost surely, 2^70577397 is an apocalyptic number.

It is an amenable number.

70577397 is a deficient number, since it is larger than the sum of its proper divisors (42742251).

70577397 is a wasteful number, since it uses less digits than its factorization.

70577397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 324135, while the sum is 45.

The square root of 70577397 is about 8401.0354718927. The cubic root of 70577397 is about 413.2585798880.

The spelling of 70577397 in words is "seventy million, five hundred seventy-seven thousand, three hundred ninety-seven".