70448670 has 32 divisors (see below), whose sum is σ = 187863840. Its totient is φ = 18786240.

The previous prime is 70448669. The next prime is 70448681. The reversal of 70448670 is 7684407.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 130191 + ... + 130730.

It is an arithmetic number, because the mean of its divisors is an integer number (5870745).

Almost surely, 2^70448670 is an apocalyptic number.

70448670 is an abundant number, since it is smaller than the sum of its proper divisors (117415170).

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

70448670 is a wasteful number, since it uses less digits than its factorization.

70448670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260937 (or 260931 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70448670 is about 8393.3705982758. The cubic root of 70448670 is about 413.0071778111.

The spelling of 70448670 in words is "seventy million, four hundred forty-eight thousand, six hundred seventy".