740673543 has 32 divisors (see below), whose sum is σ = 1042848000. Its totient is φ = 466937856.

The previous prime is 740673541. The next prime is 740673547. The reversal of 740673543 is 345376047.

It is not a de Polignac number, because 740673543 - 2¹ = 740673541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740673541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649383 + ... + 1649831.

It is an arithmetic number, because the mean of its divisors is an integer number (32589000).

Almost surely, 2^740673543 is an apocalyptic number.

740673543 is a deficient number, since it is larger than the sum of its proper divisors (302174457).

740673543 is a wasteful number, since it uses less digits than its factorization.

740673543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 740673543 is about 27215.3181682669. The cubic root of 740673543 is about 904.7785109612.

The spelling of 740673543 in words is "seven hundred forty million, six hundred seventy-three thousand, five hundred forty-three".