77028494 has 4 divisors (see below), whose sum is σ = 115542744. Its totient is φ = 38514246.

The previous prime is 77028467. The next prime is 77028499. The reversal of 77028494 is 49482077.

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

It is a super-3 number, since 3×77028494³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77028499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19257122 + ... + 19257125.

It is an arithmetic number, because the mean of its divisors is an integer number (28885686).

Almost surely, 2^77028494 is an apocalyptic number.

77028494 is a deficient number, since it is larger than the sum of its proper divisors (38514250).

77028494 is a wasteful number, since it uses less digits than its factorization.

77028494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38514249.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 77028494 is about 8776.5878335490. The cubic root of 77028494 is about 425.4845573638.

The spelling of 77028494 in words is "seventy-seven million, twenty-eight thousand, four hundred ninety-four".