70724748 has 24 divisors (see below), whose sum is σ = 165627952. Its totient is φ = 23488704.

The previous prime is 70724711. The next prime is 70724749. The reversal of 70724748 is 84742707.

It is not an unprimeable number, because it can be changed into a prime (70724749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 13962.

Almost surely, 2^70724748 is an apocalyptic number.

It is an amenable number.

70724748 is an abundant number, since it is smaller than the sum of its proper divisors (94903204).

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

70724748 is a wasteful number, since it uses less digits than its factorization.

70724748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21561 (or 21559 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 70724748 is about 8409.8007110751. The cubic root of 70724748 is about 413.5459794362.

The spelling of 70724748 in words is "seventy million, seven hundred twenty-four thousand, seven hundred forty-eight".