77250332 has 12 divisors (see below), whose sum is σ = 135897216. Its totient is φ = 38422560.

The previous prime is 77250331. The next prime is 77250337. The reversal of 77250332 is 23305277.

It is a super-2 number, since 2×77250332² = 11935227588220448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77250295 and 77250304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77250331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49793 + ... + 51320.

It is an arithmetic number, because the mean of its divisors is an integer number (11324768).

Almost surely, 2^77250332 is an apocalyptic number.

It is an amenable number.

77250332 is a deficient number, since it is larger than the sum of its proper divisors (58646884).

77250332 is a wasteful number, since it uses less digits than its factorization.

77250332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101308 (or 101306 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 77250332 is about 8789.2168024233. The cubic root of 77250332 is about 425.8926235724.

The spelling of 77250332 in words is "seventy-seven million, two hundred fifty thousand, three hundred thirty-two".