70736680 has 64 divisors (see below), whose sum is σ = 182787840. Its totient is φ = 24133632.

The previous prime is 70736669. The next prime is 70736689. The reversal of 70736680 is 8663707.

It is not an unprimeable number, because it can be changed into a prime (70736689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71469 + ... + 72451.

It is an arithmetic number, because the mean of its divisors is an integer number (2856060).

Almost surely, 2^70736680 is an apocalyptic number.

70736680 is a gapful number since it is divisible by the number (70) 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 70736680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91393920).

70736680 is an abundant number, since it is smaller than the sum of its proper divisors (112051160).

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

70736680 is a wasteful number, since it uses less digits than its factorization.

70736680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1254 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 70736680 is about 8410.5100915462. The cubic root of 70736680 is about 413.5692346299.

The spelling of 70736680 in words is "seventy million, seven hundred thirty-six thousand, six hundred eighty".