77948030 has 8 divisors (see below), whose sum is σ = 140306472. Its totient is φ = 31179208.

The previous prime is 77948029. The next prime is 77948041. The reversal of 77948030 is 3084977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897392 + ... + 3897411.

It is an arithmetic number, because the mean of its divisors is an integer number (17538309).

Almost surely, 2^77948030 is an apocalyptic number.

77948030 is a deficient number, since it is larger than the sum of its proper divisors (62358442).

77948030 is a wasteful number, since it uses less digits than its factorization.

77948030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794810.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 77948030 is about 8828.8181542039. The cubic root of 77948030 is about 427.1709538937.

The spelling of 77948030 in words is "seventy-seven million, nine hundred forty-eight thousand, thirty".