76453949 has 16 divisors (see below), whose sum is σ = 90236160. Its totient is φ = 63860160.

The previous prime is 76453933. The next prime is 76453963. The reversal of 76453949 is 94935467.

It is a happy number.

It is not a de Polignac number, because 76453949 - 2⁴ = 76453933 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 (76453919) 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 15 ways as a sum of consecutive naturals, for example, 33059 + ... + 35295.

It is an arithmetic number, because the mean of its divisors is an integer number (5639760).

Almost surely, 2^76453949 is an apocalyptic number.

It is an amenable number.

76453949 is a deficient number, since it is larger than the sum of its proper divisors (13782211).

76453949 is a wasteful number, since it uses less digits than its factorization.

76453949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its digits is 816480, while the sum is 47.

The square root of 76453949 is about 8743.7948855174. The cubic root of 76453949 is about 424.4240391866.

The spelling of 76453949 in words is "seventy-six million, four hundred fifty-three thousand, nine hundred forty-nine".