77430124 has 12 divisors (see below), whose sum is σ = 135576000. Its totient is φ = 38694128.

The previous prime is 77430113. The next prime is 77430127. The reversal of 77430124 is 42103477.

It is a junction number, because it is equal to n+sod(n) for n = 77430092 and 77430101.

It is not an unprimeable number, because it can be changed into a prime (77430127) 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, 5562 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (11298000).

Almost surely, 2^77430124 is an apocalyptic number.

It is an amenable number.

77430124 is a deficient number, since it is larger than the sum of its proper divisors (58145876).

77430124 is a wasteful number, since it uses less digits than its factorization.

77430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472 (or 10470 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 77430124 is about 8799.4388457447. The cubic root of 77430124 is about 426.2227742950. Note that the first 3 decimals are identical.

The spelling of 77430124 in words is "seventy-seven million, four hundred thirty thousand, one hundred twenty-four".