77134403 has 8 divisors (see below), whose sum is σ = 79942800. Its totient is φ = 74335968.

The previous prime is 77134399. The next prime is 77134429. The reversal of 77134403 is 30443177.

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

It is a cyclic number.

It is not a de Polignac number, because 77134403 - 2² = 77134399 is a prime.

It is a super-2 number, since 2×77134403² = 11899432252332818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77134483) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15608 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (9992850).

Almost surely, 2^77134403 is an apocalyptic number.

77134403 is a deficient number, since it is larger than the sum of its proper divisors (2808397).

77134403 is a wasteful number, since it uses less digits than its factorization.

77134403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 77134403 is about 8782.6193700968. The cubic root of 77134403 is about 425.6794722787.

The spelling of 77134403 in words is "seventy-seven million, one hundred thirty-four thousand, four hundred three".