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72930467 = 118761441
BaseRepresentation
bin1000101100011…
…01010010100011
312002020020210102
410112031102203
5122132233332
611123053015
71543620161
oct426152243
9162206712
1072930467
1138192815
122051116b
131215662c
149986231
156609062
hex458d4a3

72930467 has 4 divisors (see below), whose sum is σ = 72993096. Its totient is φ = 72867840.

The previous prime is 72930463. The next prime is 72930479. The reversal of 72930467 is 76403927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76403927 = 372064971.

It is a cyclic number.

It is not a de Polignac number, because 72930467 - 22 = 72930463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72930467.

It is not an unprimeable number, because it can be changed into a prime (72930463) 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, 29534 + ... + 31907.

It is an arithmetic number, because the mean of its divisors is an integer number (18248274).

Almost surely, 272930467 is an apocalyptic number.

72930467 is a deficient number, since it is larger than the sum of its proper divisors (62629).

72930467 is a wasteful number, since it uses less digits than its factorization.

72930467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62628.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 72930467 is about 8539.9336648478. The cubic root of 72930467 is about 417.8011825112.

The spelling of 72930467 in words is "seventy-two million, nine hundred thirty thousand, four hundred sixty-seven".

Divisors: 1 1187 61441 72930467