70539612 has 144 divisors (see below), whose sum is σ = 202079136. Its totient is φ = 19008000.

The previous prime is 70539611. The next prime is 70539619. The reversal of 70539612 is 21693507.

It is a super-2 number, since 2×70539612² = 9951673722221088, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70539611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698362 + ... + 698462.

Almost surely, 2^70539612 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 70539612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101039568).

70539612 is an abundant number, since it is smaller than the sum of its proper divisors (131539524).

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

70539612 is a wasteful number, since it uses less digits than its factorization.

70539612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 70539612 is about 8398.7863408947. The cubic root of 70539612 is about 413.1848180156.

The spelling of 70539612 in words is "seventy million, five hundred thirty-nine thousand, six hundred twelve".