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76673349 = 3217501133
BaseRepresentation
bin1001001000111…
…11000101000101
312100021102001200
410210133011011
5124112021344
611335213113
71620466314
oct444370505
9170242050
1076673349
113a309905
1221817199
1312b6715c
14a27c27b
156ae8069
hex491f145

76673349 has 12 divisors (see below), whose sum is σ = 117265356. Its totient is φ = 48108672.

The previous prime is 76673327. The next prime is 76673413. The reversal of 76673349 is 94337667.

It can be written as a sum of positive squares in 2 ways, for example, as 33350625 + 43322724 = 5775^2 + 6582^2 .

It is not a de Polignac number, because 76673349 - 213 = 76665157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76673449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250414 + ... + 250719.

It is an arithmetic number, because the mean of its divisors is an integer number (9772113).

Almost surely, 276673349 is an apocalyptic number.

It is an amenable number.

76673349 is a deficient number, since it is larger than the sum of its proper divisors (40592007).

76673349 is a wasteful number, since it uses less digits than its factorization.

76673349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501156 (or 501153 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 76673349 is about 8756.3319375181. The cubic root of 76673349 is about 424.8296415260.

The spelling of 76673349 in words is "seventy-six million, six hundred seventy-three thousand, three hundred forty-nine".

Divisors: 1 3 9 17 51 153 501133 1503399 4510197 8519261 25557783 76673349