77214025 has 48 divisors (see below), whose sum is σ = 115929088. Its totient is φ = 49896000.

The previous prime is 77214019. The next prime is 77214073. The reversal of 77214025 is 52041277.

It is not a de Polignac number, because 77214025 - 2⁵ = 77213993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77213984 and 77214002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233110 + ... + 233440.

Almost surely, 2^77214025 is an apocalyptic number.

It is an amenable number.

77214025 is a deficient number, since it is larger than the sum of its proper divisors (38715063).

77214025 is a wasteful number, since it uses less digits than its factorization.

77214025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 77214025 is about 8787.1511310549. The cubic root of 77214025 is about 425.8258911447.

The spelling of 77214025 in words is "seventy-seven million, two hundred fourteen thousand, twenty-five".