740015545321 has 24 divisors (see below), whose sum is σ = 836651966976. Its totient is φ = 653006090880.

The previous prime is 740015545279. The next prime is 740015545331. The reversal of 740015545321 is 123545510047.

It is not a de Polignac number, because 740015545321 - 2⁷ = 740015545193 is a prime.

It is a super-3 number, since 3×740015545321³ (a number of 37 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740015545331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6634216 + ... + 6744838.

It is an arithmetic number, because the mean of its divisors is an integer number (34860498624).

Almost surely, 2^740015545321 is an apocalyptic number.

It is an amenable number.

740015545321 is a deficient number, since it is larger than the sum of its proper divisors (96636421655).

740015545321 is a wasteful number, since it uses less digits than its factorization.

740015545321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112393 (or 112380 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 740015545321 in words is "seven hundred forty billion, fifteen million, five hundred forty-five thousand, three hundred twenty-one".