70397404 has 96 divisors (see below), whose sum is σ = 162312192. Its totient is φ = 25920000.

The previous prime is 70397401. The next prime is 70397419. The reversal of 70397404 is 40479307.

70397404 = 433² + 434² + ... + 663².

It is a self number, because there is not a number n which added to its sum of digits gives 70397404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70397401) 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 31 ways as a sum of consecutive naturals, for example, 696954 + ... + 697054.

It is an arithmetic number, because the mean of its divisors is an integer number (1690752).

Almost surely, 2^70397404 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 70397404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81156096).

70397404 is an abundant number, since it is smaller than the sum of its proper divisors (91914788).

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

70397404 is a wasteful number, since it uses less digits than its factorization.

70397404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70397404 is about 8390.3160846299. The cubic root of 70397404 is about 412.9069707429.

The spelling of 70397404 in words is "seventy million, three hundred ninety-seven thousand, four hundred four".