30707077 has 6 divisors (see below), whose sum is σ = 31571654. Its totient is φ = 29844360.

The previous prime is 30707057. The next prime is 30707099. The reversal of 30707077 is 77070703.

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 829921 = 5466^2 + 911^2 .

It is not a de Polignac number, because 30707077 - 2¹⁵ = 30674309 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 (30707057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33252 + ... + 34162.

Almost surely, 2^30707077 is an apocalyptic number.

30707077 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30707077 is a deficient number, since it is larger than the sum of its proper divisors (864577).

30707077 is an frugal number, since it uses more digits than its factorization.

30707077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 7203, while the sum is 31.

The square root of 30707077 is about 5541.3966651017. The cubic root of 30707077 is about 313.1454886109.

The spelling of 30707077 in words is "thirty million, seven hundred seven thousand, seventy-seven".