974690242 has 4 divisors (see below), whose sum is σ = 1462035366. Its totient is φ = 487345120.

The previous prime is 974690239. The next prime is 974690243. The reversal of 974690242 is 242096479.

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., 971631241 + 3059001 = 31171^2 + 1749^2 .

It is not an unprimeable number, because it can be changed into a prime (974690243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243672559 + ... + 243672562.

Almost surely, 2^974690242 is an apocalyptic number.

974690242 is a deficient number, since it is larger than the sum of its proper divisors (487345124).

974690242 is a wasteful number, since it uses less digits than its factorization.

974690242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487345123.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 974690242 is about 31220.0295003064. The cubic root of 974690242 is about 991.4912200064.

The spelling of 974690242 in words is "nine hundred seventy-four million, six hundred ninety thousand, two hundred forty-two".