742905074 has 4 divisors (see below), whose sum is σ = 1114357614. Its totient is φ = 371452536.

The previous prime is 742905071. The next prime is 742905103. The reversal of 742905074 is 470509247.

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., 673765849 + 69139225 = 25957^2 + 8315^2 .

It is not an unprimeable number, because it can be changed into a prime (742905071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185726267 + ... + 185726270.

Almost surely, 2^742905074 is an apocalyptic number.

742905074 is a deficient number, since it is larger than the sum of its proper divisors (371452540).

742905074 is a wasteful number, since it uses less digits than its factorization.

742905074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371452539.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 742905074 is about 27256.2850366663. The cubic root of 742905074 is about 905.6862509584.

The spelling of 742905074 in words is "seven hundred forty-two million, nine hundred five thousand, seventy-four".