70340015 has 16 divisors (see below), whose sum is σ = 86277216. Its totient is φ = 55036800.

The previous prime is 70339979. The next prime is 70340021. The reversal of 70340015 is 51004307.

It is a happy number.

It is not a de Polignac number, because 70340015 - 2²² = 66145711 is a prime.

It is a Duffinian number.

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, 63809 + ... + 64901.

It is an arithmetic number, because the mean of its divisors is an integer number (5392326).

Almost surely, 2^70340015 is an apocalyptic number.

70340015 is a deficient number, since it is larger than the sum of its proper divisors (15937201).

70340015 is a wasteful number, since it uses less digits than its factorization.

70340015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 70340015 is about 8386.8954327570. The cubic root of 70340015 is about 412.7947376258.

The spelling of 70340015 in words is "seventy million, three hundred forty thousand, fifteen".