70915650 has 96 divisors (see below), whose sum is σ = 194237568. Its totient is φ = 17011200.

The previous prime is 70915639. The next prime is 70915661. The reversal of 70915650 is 5651907.

It is an interprime number because it is at equal distance from previous prime (70915639) and next prime (70915661).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79507 + ... + 80393.

It is an arithmetic number, because the mean of its divisors is an integer number (2023308).

Almost surely, 2^70915650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70915650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97118784).

70915650 is an abundant number, since it is smaller than the sum of its proper divisors (123321918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70915650 is a wasteful number, since it uses less digits than its factorization.

70915650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 70915650 is about 8421.1430340542. The cubic root of 70915650 is about 413.9177296907.

The spelling of 70915650 in words is "seventy million, nine hundred fifteen thousand, six hundred fifty".