70513632 has 192 divisors, whose sum is σ = 239500800. Its totient is φ = 19768320.

The previous prime is 70513627. The next prime is 70513633. The reversal of 70513632 is 23631507.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70513596 and 70513605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70513633) 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, 538207 + ... + 538337.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^70513632 is an apocalyptic number.

70513632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70513632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

70513632 is an abundant number, since it is smaller than the sum of its proper divisors (168987168).

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

70513632 is a wasteful number, since it uses less digits than its factorization.

70513632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 70513632 is about 8397.2395464224. The cubic root of 70513632 is about 413.1340859546.

The spelling of 70513632 in words is "seventy million, five hundred thirteen thousand, six hundred thirty-two".