1420453774 has 16 divisors (see below), whose sum is σ = 2202686640. Its totient is φ = 686543040.

The previous prime is 1420453763. The next prime is 1420453777. The reversal of 1420453774 is 4773540241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420453777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70524 + ... + 88399.

It is an arithmetic number, because the mean of its divisors is an integer number (137667915).

Almost surely, 2^1420453774 is an apocalyptic number.

1420453774 is a deficient number, since it is larger than the sum of its proper divisors (782232866).

1420453774 is a wasteful number, since it uses less digits than its factorization.

1420453774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159075.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 1420453774 is about 37688.9078377180. The cubic root of 1420453774 is about 1124.1105790535.

The spelling of 1420453774 in words is "one billion, four hundred twenty million, four hundred fifty-three thousand, seven hundred seventy-four".