742857901 has 4 divisors (see below), whose sum is σ = 748528704. Its totient is φ = 737187100.

The previous prime is 742857893. The next prime is 742857923. The reversal of 742857901 is 109758247.

742857901 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109758247 = 947 ⋅115901.

It is a cyclic number.

It is not a de Polignac number, because 742857901 - 2³ = 742857893 is a prime.

It is a super-2 number, since 2×742857901² = 1103675722156251602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742857001) 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, 2835205 + ... + 2835466.

It is an arithmetic number, because the mean of its divisors is an integer number (187132176).

Almost surely, 2^742857901 is an apocalyptic number.

It is an amenable number.

742857901 is a deficient number, since it is larger than the sum of its proper divisors (5670803).

742857901 is a wasteful number, since it uses less digits than its factorization.

742857901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670802.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 742857901 is about 27255.4196628854. The cubic root of 742857901 is about 905.6670807920.

The spelling of 742857901 in words is "seven hundred forty-two million, eight hundred fifty-seven thousand, nine hundred one".