70379172 has 96 divisors (see below), whose sum is σ = 197164800. Its totient is φ = 21643776.

The previous prime is 70379171. The next prime is 70379191. The reversal of 70379172 is 27197307.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70379171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71548 + ... + 72524.

It is an arithmetic number, because the mean of its divisors is an integer number (2053800).

Almost surely, 2^70379172 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 70379172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98582400).

70379172 is an abundant number, since it is smaller than the sum of its proper divisors (126785628).

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

70379172 is a wasteful number, since it uses less digits than its factorization.

70379172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 70379172 is about 8389.2295236213. The cubic root of 70379172 is about 412.8713218437.

The spelling of 70379172 in words is "seventy million, three hundred seventy-nine thousand, one hundred seventy-two".