78029465 has 8 divisors (see below), whose sum is σ = 93846600. Its totient is φ = 62282752.

The previous prime is 78029423. The next prime is 78029489. The reversal of 78029465 is 56492087.

It can be written as a sum of positive squares in 4 ways, for example, as 4481689 + 73547776 = 2117^2 + 8576^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78029465 - 2⁸ = 78029209 is a prime.

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, 15134 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (11730825).

Almost surely, 2^78029465 is an apocalyptic number.

It is an amenable number.

78029465 is a deficient number, since it is larger than the sum of its proper divisors (15817135).

78029465 is a wasteful number, since it uses less digits than its factorization.

78029465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35211.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 78029465 is about 8833.4288359617. The cubic root of 78029465 is about 427.3196622035.

The spelling of 78029465 in words is "seventy-eight million, twenty-nine thousand, four hundred sixty-five".