742132851 has 4 divisors (see below), whose sum is σ = 989510472. Its totient is φ = 494755232.

The previous prime is 742132817. The next prime is 742132861. The reversal of 742132851 is 158231247.

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

It is a cyclic number.

It is not a de Polignac number, because 742132851 - 2¹⁰ = 742131827 is a prime.

It is a super-2 number, since 2×742132851² = 1101522337066776402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (742132801) 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, 123688806 + ... + 123688811.

It is an arithmetic number, because the mean of its divisors is an integer number (247377618).

Almost surely, 2^742132851 is an apocalyptic number.

742132851 is a deficient number, since it is larger than the sum of its proper divisors (247377621).

742132851 is a wasteful number, since it uses less digits than its factorization.

742132851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247377620.

The product of its digits is 13440, while the sum is 33.

The square root of 742132851 is about 27242.1153914302. The cubic root of 742132851 is about 905.3723327791.

The spelling of 742132851 in words is "seven hundred forty-two million, one hundred thirty-two thousand, eight hundred fifty-one".