78571472 has 20 divisors (see below), whose sum is σ = 173979936. Its totient is φ = 33673440.

The previous prime is 78571463. The next prime is 78571481. The reversal of 78571472 is 27417587.

It is an interprime number because it is at equal distance from previous prime (78571463) and next prime (78571481).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350654 + ... + 350877.

Almost surely, 2^78571472 is an apocalyptic number.

It is an amenable number.

78571472 is an abundant number, since it is smaller than the sum of its proper divisors (95408464).

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

78571472 is a wasteful number, since it uses less digits than its factorization.

78571472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701546 (or 701540 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 78571472 is about 8864.0550539807. The cubic root of 78571472 is about 428.3067937483.

The spelling of 78571472 in words is "seventy-eight million, five hundred seventy-one thousand, four hundred seventy-two".