78092025 has 48 divisors (see below), whose sum is σ = 142371840. Its totient is φ = 37454400.

The previous prime is 78092011. The next prime is 78092083. The reversal of 78092025 is 52029087.

It is not a de Polignac number, because 78092025 - 2⁴ = 78092009 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84516 + ... + 85434.

It is an arithmetic number, because the mean of its divisors is an integer number (2966080).

Almost surely, 2^78092025 is an apocalyptic number.

78092025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78092025 is a deficient number, since it is larger than the sum of its proper divisors (64279815).

78092025 is a wasteful number, since it uses less digits than its factorization.

78092025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 78092025 is about 8836.9692202700. The cubic root of 78092025 is about 427.4338326511.

The spelling of 78092025 in words is "seventy-eight million, ninety-two thousand, twenty-five".