1406740742 has 8 divisors (see below), whose sum is σ = 2301939432. Its totient is φ = 639427600.

The previous prime is 1406740739. The next prime is 1406740799. The reversal of 1406740742 is 2470476041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31971359 + ... + 31971402.

It is an arithmetic number, because the mean of its divisors is an integer number (287742429).

Almost surely, 2^1406740742 is an apocalyptic number.

1406740742 is a deficient number, since it is larger than the sum of its proper divisors (895198690).

1406740742 is a wasteful number, since it uses less digits than its factorization.

1406740742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63942774.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1406740742 is about 37506.5426559154. The cubic root of 1406740742 is about 1120.4814952471.

The spelling of 1406740742 in words is "one billion, four hundred six million, seven hundred forty thousand, seven hundred forty-two".