78070527 has 8 divisors (see below), whose sum is σ = 115660080. Its totient is φ = 52047000.

The previous prime is 78070513. The next prime is 78070529. The reversal of 78070527 is 72507087.

It is not a de Polignac number, because 78070527 - 2¹⁰ = 78069503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78070491 and 78070500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78070529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445724 + ... + 1445777.

It is an arithmetic number, because the mean of its divisors is an integer number (14457510).

Almost surely, 2^78070527 is an apocalyptic number.

78070527 is a deficient number, since it is larger than the sum of its proper divisors (37589553).

78070527 is a wasteful number, since it uses less digits than its factorization.

78070527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891510 (or 2891504 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 78070527 is about 8835.7527692891. The cubic root of 78070527 is about 427.3946062134.

The spelling of 78070527 in words is "seventy-eight million, seventy thousand, five hundred twenty-seven".