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73997876 = 2246140129
BaseRepresentation
bin1000110100100…
…01111000110100
312011020111000002
410122101320310
5122420413001
611202010432
71555654151
oct432217064
9164214002
1073997876
1138851777
1220946a18
131243b434
149b83228
15676a46b
hex4691e34

73997876 has 12 divisors (see below), whose sum is σ = 129780420. Its totient is φ = 36917760.

The previous prime is 73997873. The next prime is 73997927. The reversal of 73997876 is 67879937.

It can be written as a sum of positive squares in 2 ways, for example, as 8549776 + 65448100 = 2924^2 + 8090^2 .

It is a super-2 number, since 2×739978762 = 10951371305022752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73997873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18221 + ... + 21908.

It is an arithmetic number, because the mean of its divisors is an integer number (10815035).

Almost surely, 273997876 is an apocalyptic number.

It is an amenable number.

73997876 is a deficient number, since it is larger than the sum of its proper divisors (55782544).

73997876 is a wasteful number, since it uses less digits than its factorization.

73997876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40594 (or 40592 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 56.

The square root of 73997876 is about 8602.2018111644. The cubic root of 73997876 is about 419.8296285556.

The spelling of 73997876 in words is "seventy-three million, nine hundred ninety-seven thousand, eight hundred seventy-six".

Divisors: 1 2 4 461 922 1844 40129 80258 160516 18499469 36998938 73997876