70447672 has 8 divisors (see below), whose sum is σ = 132089400. Its totient is φ = 35223832.

The previous prime is 70447669. The next prime is 70447673. The reversal of 70447672 is 27674407.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70447673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4402972 + ... + 4402987.

It is an arithmetic number, because the mean of its divisors is an integer number (16511175).

Almost surely, 2^70447672 is an apocalyptic number.

It is an amenable number.

70447672 is a deficient number, since it is larger than the sum of its proper divisors (61641728).

70447672 is a wasteful number, since it uses less digits than its factorization.

70447672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805965 (or 8805961 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 70447672 is about 8393.3111463832. The cubic root of 70447672 is about 413.0052275348.

The spelling of 70447672 in words is "seventy million, four hundred forty-seven thousand, six hundred seventy-two".