70273836 has 72 divisors (see below), whose sum is σ = 186024384. Its totient is φ = 22344960.

The previous prime is 70273831. The next prime is 70273843. The reversal of 70273836 is 63837207.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70273836.

It is not an unprimeable number, because it can be changed into a prime (70273831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68866 + ... + 69878.

It is an arithmetic number, because the mean of its divisors is an integer number (2583672).

Almost surely, 2^70273836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70273836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93012192).

70273836 is an abundant number, since it is smaller than the sum of its proper divisors (115750548).

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

70273836 is a wasteful number, since it uses less digits than its factorization.

70273836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70273836 is about 8382.9491230712. The cubic root of 70273836 is about 412.6652384834.

The spelling of 70273836 in words is "seventy million, two hundred seventy-three thousand, eight hundred thirty-six".