742001402 has 4 divisors (see below), whose sum is σ = 1113002106. Its totient is φ = 371000700.

The previous prime is 742001401. The next prime is 742001443. The reversal of 742001402 is 204100247.

742001402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204100247 = 13 ⋅15700019.

It can be written as a sum of positive squares in only one way, i.e., 413268241 + 328733161 = 20329^2 + 18131^2 .

It is not an unprimeable number, because it can be changed into a prime (742001401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185500349 + ... + 185500352.

Almost surely, 2^742001402 is an apocalyptic number.

742001402 is a deficient number, since it is larger than the sum of its proper divisors (371000704).

742001402 is a wasteful number, since it uses less digits than its factorization.

742001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371000703.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 742001402 is about 27239.7026782599. The cubic root of 742001402 is about 905.3188754524.

Adding to 742001402 its reverse (204100247), we get a palindrome (946101649).

The spelling of 742001402 in words is "seven hundred forty-two million, one thousand, four hundred two".