70813470 has 64 divisors (see below), whose sum is σ = 209180160. Its totient is φ = 14940288.

The previous prime is 70813469. The next prime is 70813471. The reversal of 70813470 is 7431807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70813469) and next prime (70813471).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70813471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10240 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (3268440).

Almost surely, 2^70813470 is an apocalyptic number.

70813470 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70813470 is an abundant number, since it is smaller than the sum of its proper divisors (138366690).

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

70813470 is a wasteful number, since it uses less digits than its factorization.

70813470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25969.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 70813470 is about 8415.0739747194. The cubic root of 70813470 is about 413.7188340389.

The spelling of 70813470 in words is "seventy million, eight hundred thirteen thousand, four hundred seventy".