70842690 has 48 divisors (see below), whose sum is σ = 184856256. Its totient is φ = 18823200.

The previous prime is 70842647. The next prime is 70842701. The reversal of 70842690 is 9624807.

It is a super-2 number, since 2×70842690² = 10037373452872200, which contains 22 as substring.

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, 26725 + ... + 29255.

It is an arithmetic number, because the mean of its divisors is an integer number (3851172).

Almost surely, 2^70842690 is an apocalyptic number.

70842690 is an abundant number, since it is smaller than the sum of its proper divisors (114013566).

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

70842690 is a wasteful number, since it uses less digits than its factorization.

70842690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70842690 is about 8416.8099657768. The cubic root of 70842690 is about 413.7757309445.

The spelling of 70842690 in words is "seventy million, eight hundred forty-two thousand, six hundred ninety".