740993613 has 4 divisors (see below), whose sum is σ = 987991488. Its totient is φ = 493995740.

The previous prime is 740993611. The next prime is 740993621. The reversal of 740993613 is 316399047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316399047 = 3 ⋅105466349.

It is a cyclic number.

It is not a de Polignac number, because 740993613 - 2¹ = 740993611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740993611) 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, 123498933 + ... + 123498938.

It is an arithmetic number, because the mean of its divisors is an integer number (246997872).

Almost surely, 2^740993613 is an apocalyptic number.

It is an amenable number.

740993613 is a deficient number, since it is larger than the sum of its proper divisors (246997875).

740993613 is a wasteful number, since it uses less digits than its factorization.

740993613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246997874.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 740993613 is about 27221.1978612257. The cubic root of 740993613 is about 904.9088206217.

The spelling of 740993613 in words is "seven hundred forty million, nine hundred ninety-three thousand, six hundred thirteen".