70672572 has 18 divisors (see below), whose sum is σ = 178644648. Its totient is φ = 23557512.

The previous prime is 70672559. The next prime is 70672577. The reversal of 70672572 is 27527607.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×70672572² = 9989224866190368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1963127 = 70672572 / (7 + 0 + 6 + 7 + 2 + 5 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70672577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 981528 + ... + 981599.

Almost surely, 2^70672572 is an apocalyptic number.

It is an amenable number.

70672572 is an abundant number, since it is smaller than the sum of its proper divisors (107972076).

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

70672572 is a wasteful number, since it uses less digits than its factorization.

70672572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963137 (or 1963132 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 70672572 is about 8406.6980438220. The cubic root of 70672572 is about 413.4442588745. Note that the first 3 decimals are identical.

The spelling of 70672572 in words is "seventy million, six hundred seventy-two thousand, five hundred seventy-two".