77475046 has 32 divisors (see below), whose sum is σ = 135331200. Its totient is φ = 32892480.

The previous prime is 77475031. The next prime is 77475049. The reversal of 77475046 is 64057477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77475049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29245 + ... + 31783.

It is an arithmetic number, because the mean of its divisors is an integer number (4229100).

Almost surely, 2^77475046 is an apocalyptic number.

77475046 is a deficient number, since it is larger than the sum of its proper divisors (57856154).

77475046 is a wasteful number, since it uses less digits than its factorization.

77475046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644.

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 77475046 is about 8801.9910247625. The cubic root of 77475046 is about 426.3051844171.

Subtracting from 77475046 its reverse (64057477), we obtain a square (13417569 = 3663²).

The spelling of 77475046 in words is "seventy-seven million, four hundred seventy-five thousand, forty-six".