70761572 has 48 divisors (see below), whose sum is σ = 147837312. Its totient is φ = 29003520.

The previous prime is 70761569. The next prime is 70761583. The reversal of 70761572 is 27516707.

It is a super-2 number, since 2×70761572² = 10014400143822368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 60263 + ... + 61425.

It is an arithmetic number, because the mean of its divisors is an integer number (3079944).

Almost surely, 2^70761572 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 70761572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73918656).

70761572 is an abundant number, since it is smaller than the sum of its proper divisors (77075740).

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

70761572 is a wasteful number, since it uses less digits than its factorization.

70761572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 70761572 is about 8411.9897765035. The cubic root of 70761572 is about 413.6177401487.

The spelling of 70761572 in words is "seventy million, seven hundred sixty-one thousand, five hundred seventy-two".