78530701 has 16 divisors (see below), whose sum is σ = 84680640. Its totient is φ = 72567040.

The previous prime is 78530689. The next prime is 78530707. The reversal of 78530701 is 10703587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78530701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78530707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398535 + ... + 398731.

It is an arithmetic number, because the mean of its divisors is an integer number (5292540).

Almost surely, 2^78530701 is an apocalyptic number.

It is an amenable number.

78530701 is a deficient number, since it is larger than the sum of its proper divisors (6149939).

78530701 is a wasteful number, since it uses less digits than its factorization.

78530701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 78530701 is about 8861.7549616315. The cubic root of 78530701 is about 428.2326976539.

The spelling of 78530701 in words is "seventy-eight million, five hundred thirty thousand, seven hundred one".