1420957670 has 16 divisors (see below), whose sum is σ = 2790244368. Its totient is φ = 516711840.

The previous prime is 1420957667. The next prime is 1420957691. The reversal of 1420957670 is 767590241.

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, 6458789 + ... + 6459008.

It is an arithmetic number, because the mean of its divisors is an integer number (174390273).

Almost surely, 2^1420957670 is an apocalyptic number.

1420957670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420957670 is a deficient number, since it is larger than the sum of its proper divisors (1369286698).

1420957670 is a wasteful number, since it uses less digits than its factorization.

1420957670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12917815.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1420957670 is about 37695.5921826412. The cubic root of 1420957670 is about 1124.2434867830.

The spelling of 1420957670 in words is "one billion, four hundred twenty million, nine hundred fifty-seven thousand, six hundred seventy".