30460642 has 4 divisors (see below), whose sum is σ = 45690966. Its totient is φ = 15230320.

The previous prime is 30460601. The next prime is 30460649. The reversal of 30460642 is 24606403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21986721 + 8473921 = 4689^2 + 2911^2 .

It is a super-2 number, since 2×30460642² = 1855701422104328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30460649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615159 + ... + 7615162.

Almost surely, 2^30460642 is an apocalyptic number.

30460642 is a deficient number, since it is larger than the sum of its proper divisors (15230324).

30460642 is a wasteful number, since it uses less digits than its factorization.

30460642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230323.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 30460642 is about 5519.1160524127. The cubic root of 30460642 is about 312.3055370411.

The spelling of 30460642 in words is "thirty million, four hundred sixty thousand, six hundred forty-two".