70248720 has 40 divisors (see below), whose sum is σ = 217771776. Its totient is φ = 18732928.

The previous prime is 70248707. The next prime is 70248767. The reversal of 70248720 is 2784207.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146112 + ... + 146591.

Almost surely, 2^70248720 is an apocalyptic number.

It is an amenable number.

70248720 is an abundant number, since it is smaller than the sum of its proper divisors (147523056).

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

70248720 is a wasteful number, since it uses less digits than its factorization.

70248720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292719 (or 292713 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 70248720 is about 8381.4509483740. The cubic root of 70248720 is about 412.6160701835.

The spelling of 70248720 in words is "seventy million, two hundred forty-eight thousand, seven hundred twenty".