70724064 has 48 divisors (see below), whose sum is σ = 186181632. Its totient is φ = 23507328.

The previous prime is 70724041. The next prime is 70724081. The reversal of 70724064 is 46042707.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 41697 + ... + 43359.

It is an arithmetic number, because the mean of its divisors is an integer number (3878784).

Almost surely, 2^70724064 is an apocalyptic number.

It is an amenable number.

70724064 is an abundant number, since it is smaller than the sum of its proper divisors (115457568).

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

70724064 is a wasteful number, since it uses less digits than its factorization.

70724064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 70724064 is about 8409.7600441392. The cubic root of 70724064 is about 413.5446462566.

The spelling of 70724064 in words is "seventy million, seven hundred twenty-four thousand, sixty-four".