740835861 has 12 divisors (see below), whose sum is σ = 1020676896. Its totient is φ = 477956760.

The previous prime is 740835853. The next prime is 740835869. The reversal of 740835861 is 168538047.

It is an interprime number because it is at equal distance from previous prime (740835853) and next prime (740835869).

It is not a de Polignac number, because 740835861 - 2³ = 740835853 is a prime.

It is a super-2 number, since 2×740835861² = 1097675545887222642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740835869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125601 + ... + 131366.

It is an arithmetic number, because the mean of its divisors is an integer number (85056408).

Almost surely, 2^740835861 is an apocalyptic number.

It is an amenable number.

740835861 is a deficient number, since it is larger than the sum of its proper divisors (279841035).

740835861 is a wasteful number, since it uses less digits than its factorization.

740835861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257032 (or 257001 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 740835861 is about 27218.3001122407. The cubic root of 740835861 is about 904.8445999568.

The spelling of 740835861 in words is "seven hundred forty million, eight hundred thirty-five thousand, eight hundred sixty-one".