70081032 has 64 divisors (see below), whose sum is σ = 201582720. Its totient is φ = 19888128.

The previous prime is 70081001. The next prime is 70081043. The reversal of 70081032 is 23018007.

It is a super-2 number, since 2×70081032² = 9822702092370048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 25048 + ... + 27704.

It is an arithmetic number, because the mean of its divisors is an integer number (3149730).

Almost surely, 2^70081032 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 70081032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100791360).

70081032 is an abundant number, since it is smaller than the sum of its proper divisors (131501688).

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

70081032 is a wasteful number, since it uses less digits than its factorization.

70081032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 70081032 is about 8371.4414529399. The cubic root of 70081032 is about 412.2874953193.

Adding to 70081032 its reverse (23018007), we get a palindrome (93099039).

The spelling of 70081032 in words is "seventy million, eighty-one thousand, thirty-two".