78470706 has 16 divisors (see below), whose sum is σ = 157060800. Its totient is φ = 26137008.

The previous prime is 78470699. The next prime is 78470713. The reversal of 78470706 is 60707487.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (78470699) and next prime (78470713).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5160 + ... + 13548.

It is an arithmetic number, because the mean of its divisors is an integer number (9816300).

Almost surely, 2^78470706 is an apocalyptic number.

78470706 is an abundant number, since it is smaller than the sum of its proper divisors (78590094).

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

78470706 is a wasteful number, since it uses less digits than its factorization.

78470706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 78470706 is about 8858.3692630190. The cubic root of 78470706 is about 428.1236177411.

The spelling of 78470706 in words is "seventy-eight million, four hundred seventy thousand, seven hundred six".