30797902 has 8 divisors (see below), whose sum is σ = 46239336. Its totient is φ = 15384792.

The previous prime is 30797891. The next prime is 30797903. The reversal of 30797902 is 20979703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30797903) 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, 4113 + ... + 8860.

It is an arithmetic number, because the mean of its divisors is an integer number (5779917).

Almost surely, 2^30797902 is an apocalyptic number.

30797902 is a deficient number, since it is larger than the sum of its proper divisors (15441434).

30797902 is a wasteful number, since it uses less digits than its factorization.

30797902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14162.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 30797902 is about 5549.5857503061. The cubic root of 30797902 is about 313.4539239568.

The spelling of 30797902 in words is "thirty million, seven hundred ninety-seven thousand, nine hundred two".