740847245 has 8 divisors (see below), whose sum is σ = 910700280. Its totient is φ = 578222080.

The previous prime is 740847209. The next prime is 740847271. The reversal of 740847245 is 542748047.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80048809 + 660798436 = 8947^2 + 25706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 740847245 - 2¹² = 740843149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806740 + ... + 1807149.

It is an arithmetic number, because the mean of its divisors is an integer number (113837535).

Almost surely, 2^740847245 is an apocalyptic number.

It is an amenable number.

740847245 is a deficient number, since it is larger than the sum of its proper divisors (169853035).

740847245 is a wasteful number, since it uses less digits than its factorization.

740847245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613935.

The product of its (nonzero) digits is 250880, while the sum is 41.

The square root of 740847245 is about 27218.5092354449. The cubic root of 740847245 is about 904.8492346758.

The spelling of 740847245 in words is "seven hundred forty million, eight hundred forty-seven thousand, two hundred forty-five".