70464220 has 24 divisors (see below), whose sum is σ = 148151808. Its totient is φ = 28152000.

The previous prime is 70464187. The next prime is 70464221. The reversal of 70464220 is 2246407.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70464221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21490 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (6172992).

Almost surely, 2^70464220 is an apocalyptic number.

It is an amenable number.

70464220 is an abundant number, since it is smaller than the sum of its proper divisors (77687588).

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

70464220 is a wasteful number, since it uses less digits than its factorization.

70464220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 70464220 is about 8394.2968734731. The cubic root of 70464220 is about 413.0375630033.

The spelling of 70464220 in words is "seventy million, four hundred sixty-four thousand, two hundred twenty".