77232442 has 8 divisors (see below), whose sum is σ = 132398496. Its totient is φ = 33099612.

The previous prime is 77232433. The next prime is 77232443. The reversal of 77232442 is 24423277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (77232443) 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, 2758288 + ... + 2758315.

It is an arithmetic number, because the mean of its divisors is an integer number (16549812).

Almost surely, 2^77232442 is an apocalyptic number.

77232442 is a deficient number, since it is larger than the sum of its proper divisors (55166054).

77232442 is a wasteful number, since it uses less digits than its factorization.

77232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516612.

The product of its digits is 18816, while the sum is 31.

The square root of 77232442 is about 8788.1990191392. The cubic root of 77232442 is about 425.8597442864.

The spelling of 77232442 in words is "seventy-seven million, two hundred thirty-two thousand, four hundred forty-two".