76900549 has 4 divisors (see below), whose sum is σ = 83891520. Its totient is φ = 69909580.

The previous prime is 76900531. The next prime is 76900559. The reversal of 76900549 is 94500967.

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: 94500967 = 11 ⋅8590997.

It is a cyclic number.

It is not a de Polignac number, because 76900549 - 2⁵ = 76900517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76900519) 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, 3495469 + ... + 3495490.

It is an arithmetic number, because the mean of its divisors is an integer number (20972880).

Almost surely, 2^76900549 is an apocalyptic number.

It is an amenable number.

76900549 is a deficient number, since it is larger than the sum of its proper divisors (6990971).

76900549 is a wasteful number, since it uses less digits than its factorization.

76900549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990970.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 76900549 is about 8769.2958098128. The cubic root of 76900549 is about 425.2488489581.

The spelling of 76900549 in words is "seventy-six million, nine hundred thousand, five hundred forty-nine".