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74440671 = 31711312917
BaseRepresentation
bin1000110111111…
…01111111011111
312012001222101220
410123331333133
5123024100141
611215304423
71562510124
oct433757737
9165058356
1074440671
1139024418
1220b1b113
1312564b46
149c5a74b
156806766
hex46fdfdf

74440671 has 16 divisors (see below), whose sum is σ = 106030944. Its totient is φ = 46290944.

The previous prime is 74440661. The next prime is 74440687. The reversal of 74440671 is 17604447.

It is a cyclic number.

It is not a de Polignac number, because 74440671 - 26 = 74440607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440631) 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, 696 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (6626934).

Almost surely, 274440671 is an apocalyptic number.

74440671 is a deficient number, since it is larger than the sum of its proper divisors (31590273).

74440671 is a wasteful number, since it uses less digits than its factorization.

74440671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 74440671 is about 8627.9007296097. The cubic root of 74440671 is about 420.6653682627.

The spelling of 74440671 in words is "seventy-four million, four hundred forty thousand, six hundred seventy-one".

Divisors: 1 3 17 51 113 339 1921 5763 12917 38751 219589 658767 1459621 4378863 24813557 74440671