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7668994 = 253711019
BaseRepresentation
bin11101010000010100000010
3112102121212211
4131100110002
53430401434
6432212334
7122120404
oct35202402
915377784
107668994
114368913
12269a0aa
131786888
141038b74
15a17464
hex750502

7668994 has 16 divisors (see below), whose sum is σ = 11897280. Its totient is φ = 3705520.

The previous prime is 7668977. The next prime is 7669001. The reversal of 7668994 is 4998667.

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, 7017 + ... + 8035.

It is an arithmetic number, because the mean of its divisors is an integer number (743580).

Almost surely, 27668994 is an apocalyptic number.

7668994 is a deficient number, since it is larger than the sum of its proper divisors (4228286).

7668994 is a wasteful number, since it uses less digits than its factorization.

7668994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145.

The product of its digits is 653184, while the sum is 49.

The square root of 7668994 is about 2769.2948560960. The cubic root of 7668994 is about 197.2026739101.

The spelling of 7668994 in words is "seven million, six hundred sixty-eight thousand, nine hundred ninety-four".

Divisors: 1 2 53 71 106 142 1019 2038 3763 7526 54007 72349 108014 144698 3834497 7668994