70372400 has 120 divisors (see below), whose sum is σ = 198258144. Its totient is φ = 23500800.

The previous prime is 70372399. The next prime is 70372429. The reversal of 70372400 is 427307.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114494 + ... + 115106.

Almost surely, 2^70372400 is an apocalyptic number.

70372400 is a gapful number since it is divisible by the number (70) 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 70372400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99129072).

70372400 is an abundant number, since it is smaller than the sum of its proper divisors (127885744).

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

70372400 is a wasteful number, since it uses less digits than its factorization.

70372400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 70372400 is about 8388.8259011616. The cubic root of 70372400 is about 412.8580790325.

Adding to 70372400 its reverse (427307), we get a palindrome (70799707).

The spelling of 70372400 in words is "seventy million, three hundred seventy-two thousand, four hundred".