77339973 has 16 divisors (see below), whose sum is σ = 106214400. Its totient is φ = 50035440.

The previous prime is 77339959. The next prime is 77340023. The reversal of 77339973 is 37993377.

It is not a de Polignac number, because 77339973 - 2¹⁸ = 77077829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77339903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11218 + ... + 16748.

It is an arithmetic number, because the mean of its divisors is an integer number (6638400).

Almost surely, 2^77339973 is an apocalyptic number.

It is an amenable number.

77339973 is a deficient number, since it is larger than the sum of its proper divisors (28874427).

77339973 is a wasteful number, since it uses less digits than its factorization.

77339973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672.

The product of its digits is 750141, while the sum is 48.

The square root of 77339973 is about 8794.3148112858. The cubic root of 77339973 is about 426.0572946369.

The spelling of 77339973 in words is "seventy-seven million, three hundred thirty-nine thousand, nine hundred seventy-three".