70072032 has 48 divisors (see below), whose sum is σ = 184609152. Its totient is φ = 23272320.

The previous prime is 70072027. The next prime is 70072039. The reversal of 70072032 is 23027007.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70072039) 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, 28683 + ... + 31029.

It is an arithmetic number, because the mean of its divisors is an integer number (3846024).

Almost surely, 2^70072032 is an apocalyptic number.

It is an amenable number.

70072032 is an abundant number, since it is smaller than the sum of its proper divisors (114537120).

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

70072032 is a wasteful number, since it uses less digits than its factorization.

70072032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 70072032 is about 8370.9038938456. The cubic root of 70072032 is about 412.2698455302.

Adding to 70072032 its reverse (23027007), we get a palindrome (93099039).

The spelling of 70072032 in words is "seventy million, seventy-two thousand, thirty-two".