70664250 has 32 divisors (see below), whose sum is σ = 176379840. Its totient is φ = 18843600.

The previous prime is 70664239. The next prime is 70664261. The reversal of 70664250 is 5246607.

It is an interprime number because it is at equal distance from previous prime (70664239) and next prime (70664261).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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, 46360 + ... + 47859.

It is an arithmetic number, because the mean of its divisors is an integer number (5511870).

Almost surely, 2^70664250 is an apocalyptic number.

70664250 is an abundant number, since it is smaller than the sum of its proper divisors (105715590).

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

70664250 is a wasteful number, since it uses less digits than its factorization.

70664250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94239 (or 94229 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 70664250 is about 8406.2030667835. The cubic root of 70664250 is about 413.4280299563.

The spelling of 70664250 in words is "seventy million, six hundred sixty-four thousand, two hundred fifty".