63077970 has 32 divisors (see below), whose sum is σ = 155481408. Its totient is φ = 16365888.

The previous prime is 63077969. The next prime is 63077977. The reversal of 63077970 is 7977036.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63077977) 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, 27304 + ... + 29523.

It is an arithmetic number, because the mean of its divisors is an integer number (4858794).

Almost surely, 2^63077970 is an apocalyptic number.

63077970 is an abundant number, since it is smaller than the sum of its proper divisors (92403438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63077970 is a wasteful number, since it uses less digits than its factorization.

63077970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56874.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 63077970 is about 7942.1640627728. The cubic root of 63077970 is about 398.0698050167.

The spelling of 63077970 in words is "sixty-three million, seventy-seven thousand, nine hundred seventy".