70523516 has 36 divisors (see below), whose sum is σ = 148882608. Its totient is φ = 28629504.

The previous prime is 70523491. The next prime is 70523539. The reversal of 70523516 is 61532507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6620 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (4135628).

Almost surely, 2^70523516 is an apocalyptic number.

70523516 is a gapful number since it is divisible by the number (76) 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 70523516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74441304).

70523516 is an abundant number, since it is smaller than the sum of its proper divisors (78359092).

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

70523516 is a wasteful number, since it uses less digits than its factorization.

70523516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 70523516 is about 8397.8280525383. The cubic root of 70523516 is about 413.1533882578.

The spelling of 70523516 in words is "seventy million, five hundred twenty-three thousand, five hundred sixteen".