30764290 has 8 divisors (see below), whose sum is σ = 55375740. Its totient is φ = 12305712.

The previous prime is 30764281. The next prime is 30764299. The reversal of 30764290 is 9246703.

It is an interprime number because it is at equal distance from previous prime (30764281) and next prime (30764299).

It can be written as a sum of positive squares in 2 ways, for example, as 29582721 + 1181569 = 5439^2 + 1087^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30764299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538205 + ... + 1538224.

Almost surely, 2^30764290 is an apocalyptic number.

30764290 is a deficient number, since it is larger than the sum of its proper divisors (24611450).

30764290 is a wasteful number, since it uses less digits than its factorization.

30764290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076436.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 30764290 is about 5546.5565894526. The cubic root of 30764290 is about 313.3398507271.

The spelling of 30764290 in words is "thirty million, seven hundred sixty-four thousand, two hundred ninety".