70549812 has 48 divisors (see below), whose sum is σ = 192539200. Its totient is φ = 22278240.

The previous prime is 70549811. The next prime is 70549849. The reversal of 70549812 is 21894507.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70549811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15139 + ... + 19242.

Almost surely, 2^70549812 is an apocalyptic number.

It is an amenable number.

70549812 is an abundant number, since it is smaller than the sum of its proper divisors (121989388).

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

70549812 is a wasteful number, since it uses less digits than its factorization.

70549812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34413 (or 34405 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 70549812 is about 8399.3935495368. The cubic root of 70549812 is about 413.2047325095.

The spelling of 70549812 in words is "seventy million, five hundred forty-nine thousand, eight hundred twelve".