70257465 has 24 divisors (see below), whose sum is σ = 123327360. Its totient is φ = 36994464.

The previous prime is 70257427. The next prime is 70257493. The reversal of 70257465 is 56475207.

It is not a de Polignac number, because 70257465 - 2¹¹ = 70255417 is a prime.

It is a super-2 number, since 2×70257465² = 9872222776452450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6327 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (5138640).

Almost surely, 2^70257465 is an apocalyptic number.

It is an amenable number.

70257465 is a deficient number, since it is larger than the sum of its proper divisors (53069895).

70257465 is a wasteful number, since it uses less digits than its factorization.

70257465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19853 (or 19850 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 70257465 is about 8381.9726198551. The cubic root of 70257465 is about 412.6331911494.

The spelling of 70257465 in words is "seventy million, two hundred fifty-seven thousand, four hundred sixty-five".