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74978003 = 1071973557
BaseRepresentation
bin1000111100000…
…01001011010011
312020002021111002
410132001023103
5123143244003
611235012215
71600205522
oct436011323
9166067432
1074978003
11393610a1
122113a06b
13126c25a9
149d5a4b9
1568b0a88
hex47812d3

74978003 has 8 divisors (see below), whose sum is σ = 76084272. Its totient is φ = 73879456.

The previous prime is 74977997. The next prime is 74978011. The reversal of 74978003 is 30087947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74978003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74978023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19301 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (9510534).

Almost surely, 274978003 is an apocalyptic number.

74978003 is a deficient number, since it is larger than the sum of its proper divisors (1106269).

74978003 is a wasteful number, since it uses less digits than its factorization.

74978003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 74978003 is about 8658.9839473231. The cubic root of 74978003 is about 421.6750997565.

The spelling of 74978003 in words is "seventy-four million, nine hundred seventy-eight thousand, three".

Divisors: 1 107 197 3557 21079 380599 700729 74978003