77465473 has 4 divisors (see below), whose sum is σ = 78556608. Its totient is φ = 76374340.

The previous prime is 77465471. The next prime is 77465513. The reversal of 77465473 is 37456477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37456477 = 353 ⋅106109.

It is a cyclic number.

It is not a de Polignac number, because 77465473 - 2¹ = 77465471 is a prime.

It is a super-2 number, since 2×77465473² = 12001799014227458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77465471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545461 + ... + 545602.

It is an arithmetic number, because the mean of its divisors is an integer number (19639152).

Almost surely, 2^77465473 is an apocalyptic number.

It is an amenable number.

77465473 is a deficient number, since it is larger than the sum of its proper divisors (1091135).

77465473 is a wasteful number, since it uses less digits than its factorization.

77465473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091134.

The product of its digits is 493920, while the sum is 43.

The square root of 77465473 is about 8801.4472105444. The cubic root of 77465473 is about 426.2876252681.

The spelling of 77465473 in words is "seventy-seven million, four hundred sixty-five thousand, four hundred seventy-three".