70551672 has 48 divisors (see below), whose sum is σ = 184414440. Its totient is φ = 22490688.

The previous prime is 70551671. The next prime is 70551707. The reversal of 70551672 is 27615507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70551671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9918 + ... + 15474.

Almost surely, 2^70551672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70551672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92207220).

70551672 is an abundant number, since it is smaller than the sum of its proper divisors (113862768).

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

70551672 is a wasteful number, since it uses less digits than its factorization.

70551672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612 (or 5585 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 70551672 is about 8399.5042710865. The cubic root of 70551672 is about 413.2083637691.

The spelling of 70551672 in words is "seventy million, five hundred fifty-one thousand, six hundred seventy-two".