76554949 has 8 divisors (see below), whose sum is σ = 78197400. Its totient is φ = 74919936.

The previous prime is 76554941. The next prime is 76554977. The reversal of 76554949 is 94945567.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39125025 + 37429924 = 6255^2 + 6118^2 .

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 76554949 - 2³ = 76554941 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 (76554941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22189 + ... + 25405.

It is an arithmetic number, because the mean of its divisors is an integer number (9774675).

Almost surely, 2^76554949 is an apocalyptic number.

It is an amenable number.

76554949 is a deficient number, since it is larger than the sum of its proper divisors (1642451).

76554949 is a wasteful number, since it uses less digits than its factorization.

76554949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its digits is 1360800, while the sum is 49.

The square root of 76554949 is about 8749.5685036463. The cubic root of 76554949 is about 424.6108530174.

It can be divided in two parts, 76 and 554949, that added together give a square (555025 = 745²).

The spelling of 76554949 in words is "seventy-six million, five hundred fifty-four thousand, nine hundred forty-nine".