70451385 has 16 divisors (see below), whose sum is σ = 112924800. Its totient is φ = 37506560.

The previous prime is 70451377. The next prime is 70451393. The reversal of 70451385 is 58315407.

It is an interprime number because it is at equal distance from previous prime (70451377) and next prime (70451393).

It is not a de Polignac number, because 70451385 - 2³ = 70451377 is a prime.

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, 5065 + ... + 12905.

It is an arithmetic number, because the mean of its divisors is an integer number (7057800).

Almost surely, 2^70451385 is an apocalyptic number.

It is an amenable number.

70451385 is a deficient number, since it is larger than the sum of its proper divisors (42473415).

70451385 is a wasteful number, since it uses less digits than its factorization.

70451385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 70451385 is about 8393.5323315038. The cubic root of 70451385 is about 413.0124833292.

The spelling of 70451385 in words is "seventy million, four hundred fifty-one thousand, three hundred eighty-five".