1420617473 has 16 divisors (see below), whose sum is σ = 1558984320. Its totient is φ = 1283817600.

The previous prime is 1420617467. The next prime is 1420617547. The reversal of 1420617473 is 3747160241.

It is a cyclic number.

It is not a de Polignac number, because 1420617473 - 2⁶ = 1420617409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420617433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726453 + ... + 2726973.

It is an arithmetic number, because the mean of its divisors is an integer number (97436520).

Almost surely, 2^1420617473 is an apocalyptic number.

It is an amenable number.

1420617473 is a deficient number, since it is larger than the sum of its proper divisors (138366847).

1420617473 is a wasteful number, since it uses less digits than its factorization.

1420617473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1420617473 is about 37691.0794883882. The cubic root of 1420617473 is about 1124.1537597873.

The spelling of 1420617473 in words is "one billion, four hundred twenty million, six hundred seventeen thousand, four hundred seventy-three".