70074736 has 40 divisors (see below), whose sum is σ = 143539920. Its totient is φ = 33048576.

The previous prime is 70074691. The next prime is 70074749. The reversal of 70074736 is 63747007.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106986 + ... + 107638.

It is an arithmetic number, because the mean of its divisors is an integer number (3588498).

Almost surely, 2^70074736 is an apocalyptic number.

70074736 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70074736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71769960).

70074736 is an abundant number, since it is smaller than the sum of its proper divisors (73465184).

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

70074736 is a wasteful number, since it uses less digits than its factorization.

70074736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 70074736 is about 8371.0654041167. The cubic root of 70074736 is about 412.2751484701.

The spelling of 70074736 in words is "seventy million, seventy-four thousand, seven hundred thirty-six".