77346154 has 4 divisors (see below), whose sum is σ = 116019234. Its totient is φ = 38673076.

The previous prime is 77346149. The next prime is 77346163. The reversal of 77346154 is 45164377.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 6365529 = 8425^2 + 2523^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19336537 + ... + 19336540.

Almost surely, 2^77346154 is an apocalyptic number.

77346154 is a deficient number, since it is larger than the sum of its proper divisors (38673080).

77346154 is a wasteful number, since it uses less digits than its factorization.

77346154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38673079.

The product of its digits is 70560, while the sum is 37.

The square root of 77346154 is about 8794.6662244795. Note that the first 3 decimals coincide. The cubic root of 77346154 is about 426.0686444813.

The spelling of 77346154 in words is "seventy-seven million, three hundred forty-six thousand, one hundred fifty-four".