70658412 has 48 divisors (see below), whose sum is σ = 181638912. Its totient is φ = 21199680.

The previous prime is 70658411. The next prime is 70658429. The reversal of 70658412 is 21485607.

It is a super-2 number, since 2×70658412² = 9985222372723488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (70658411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10998 + ... + 16194.

It is an arithmetic number, because the mean of its divisors is an integer number (3784144).

Almost surely, 2^70658412 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 70658412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90819456).

70658412 is an abundant number, since it is smaller than the sum of its proper divisors (110980500).

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

70658412 is a wasteful number, since it uses less digits than its factorization.

70658412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 70658412 is about 8405.8558160368. The cubic root of 70658412 is about 413.4166443815.

The spelling of 70658412 in words is "seventy million, six hundred fifty-eight thousand, four hundred twelve".