70373720 has 128 divisors (see below), whose sum is σ = 179712000. Its totient is φ = 24675840.

The previous prime is 70373713. The next prime is 70373729. The reversal of 70373720 is 2737307.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70373729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683189 + ... + 683291.

It is an arithmetic number, because the mean of its divisors is an integer number (1404000).

Almost surely, 2^70373720 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 70373720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89856000).

70373720 is an abundant number, since it is smaller than the sum of its proper divisors (109338280).

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

70373720 is a wasteful number, since it uses less digits than its factorization.

70373720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 29.

The square root of 70373720 is about 8388.9045768801. The cubic root of 70373720 is about 412.8606603913.

The spelling of 70373720 in words is "seventy million, three hundred seventy-three thousand, seven hundred twenty".