70772000 has 96 divisors (see below), whose sum is σ = 187400304. Its totient is φ = 26112000.

The previous prime is 70771993. The next prime is 70772011. The reversal of 70772000 is 27707.

It can be written as a sum of positive squares in 8 ways, for example, as 2676496 + 68095504 = 1636^2 + 8252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51320 + ... + 52680.

Almost surely, 2^70772000 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 70772000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93700152).

70772000 is an abundant number, since it is smaller than the sum of its proper divisors (116628304).

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

70772000 is a wasteful number, since it uses less digits than its factorization.

70772000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 23.

The square root of 70772000 is about 8412.6095832387. The cubic root of 70772000 is about 413.6380571740.

Adding to 70772000 its reverse (27707), we get a palindrome (70799707).

The spelling of 70772000 in words is "seventy million, seven hundred seventy-two thousand".