70886460 has 96 divisors (see below), whose sum is σ = 213921792. Its totient is φ = 17487360.

The previous prime is 70886449. The next prime is 70886461. The reversal of 70886460 is 6468807.

It is a super-2 number, since 2×70886460² = 10049780422663200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70886461) 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, 41952 + ... + 43608.

It is an arithmetic number, because the mean of its divisors is an integer number (2228352).

Almost surely, 2^70886460 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 70886460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106960896).

70886460 is an abundant number, since it is smaller than the sum of its proper divisors (143035332).

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

70886460 is a wasteful number, since it uses less digits than its factorization.

70886460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 70886460 is about 8419.4097180266. The cubic root of 70886460 is about 413.8609302082.

The spelling of 70886460 in words is "seventy million, eight hundred eighty-six thousand, four hundred sixty".