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72999703 = 714477207
BaseRepresentation
bin1000101100111…
…10001100010111
312002100202202201
410112132030113
5122141442303
611124345331
71544326060
oct426361427
9162322681
1072999703
113822a837
1220545247
131217bcba
1499a3567
15661e81d
hex459e317

72999703 has 8 divisors (see below), whose sum is σ = 83497472. Its totient is φ = 62519256.

The previous prime is 72999679. The next prime is 72999739. The reversal of 72999703 is 30799927.

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

It is a cyclic number.

It is not a de Polignac number, because 72999703 - 25 = 72999671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72999103) 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, 6526 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (10437184).

Almost surely, 272999703 is an apocalyptic number.

72999703 is a deficient number, since it is larger than the sum of its proper divisors (10497769).

72999703 is a wasteful number, since it uses less digits than its factorization.

72999703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 72999703 is about 8543.9863646895. The cubic root of 72999703 is about 417.9333528503.

The spelling of 72999703 in words is "seventy-two million, nine hundred ninety-nine thousand, seven hundred three".

Divisors: 1 7 1447 7207 10129 50449 10428529 72999703