740797553 has 4 divisors (see below), whose sum is σ = 758865828. Its totient is φ = 722729280.

The previous prime is 740797523. The next prime is 740797571. The reversal of 740797553 is 355797047.

740797553 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: 355797047 = 179 ⋅1987693.

It can be written as a sum of positive squares in 2 ways, for example, as 374151649 + 366645904 = 19343^2 + 19148^2 .

It is a cyclic number.

It is not a de Polignac number, because 740797553 - 2¹² = 740793457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740797498 and 740797507.

It is not an unprimeable number, because it can be changed into a prime (740797513) 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, 9034076 + ... + 9034157.

It is an arithmetic number, because the mean of its divisors is an integer number (189716457).

Almost surely, 2^740797553 is an apocalyptic number.

It is an amenable number.

740797553 is a deficient number, since it is larger than the sum of its proper divisors (18068275).

740797553 is a wasteful number, since it uses less digits than its factorization.

740797553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068274.

The product of its (nonzero) digits is 926100, while the sum is 47.

The square root of 740797553 is about 27217.5963854268. The cubic root of 740797553 is about 904.8290034366.

The spelling of 740797553 in words is "seven hundred forty million, seven hundred ninety-seven thousand, five hundred fifty-three".