70897415 has 8 divisors (see below), whose sum is σ = 85858080. Its totient is φ = 56197152.

The previous prime is 70897399. The next prime is 70897423. The reversal of 70897415 is 51479807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70897415 - 2⁴ = 70897399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64499 + ... + 65588.

It is an arithmetic number, because the mean of its divisors is an integer number (10732260).

Almost surely, 2^70897415 is an apocalyptic number.

70897415 is a deficient number, since it is larger than the sum of its proper divisors (14960665).

70897415 is a wasteful number, since it uses less digits than its factorization.

70897415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130201.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 70897415 is about 8420.0602729434. The cubic root of 70897415 is about 413.8822488679.

The spelling of 70897415 in words is "seventy million, eight hundred ninety-seven thousand, four hundred fifteen".