740900819 has 4 divisors (see below), whose sum is σ = 753458520. Its totient is φ = 728343120.

The previous prime is 740900779. The next prime is 740900821. The reversal of 740900819 is 918009047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918009047 = 5939 ⋅154573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740900819 is a prime.

It is a super-2 number, since 2×740900819² = 1097868047189741522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740900519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6278762 + ... + 6278879.

It is an arithmetic number, because the mean of its divisors is an integer number (188364630).

Almost surely, 2^740900819 is an apocalyptic number.

740900819 is a deficient number, since it is larger than the sum of its proper divisors (12557701).

740900819 is a wasteful number, since it uses less digits than its factorization.

740900819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557700.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 740900819 is about 27219.4933641315. The cubic root of 740900819 is about 904.8710453908.

The spelling of 740900819 in words is "seven hundred forty million, nine hundred thousand, eight hundred nineteen".