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74997492 = 2236249791
BaseRepresentation
bin1000111100001…
…01111011110100
312020010021012220
410132011323310
5123144404432
611235242340
71600316403
oct436057364
9166107186
1074997492
11393747a9
12211493b0
13126cb41b
149d6363a
1568b672c
hex4785ef4

74997492 has 12 divisors (see below), whose sum is σ = 174994176. Its totient is φ = 24999160.

The previous prime is 74997479. The next prime is 74997553. The reversal of 74997492 is 29479947.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3124884 + ... + 3124907.

It is an arithmetic number, because the mean of its divisors is an integer number (14582848).

Almost surely, 274997492 is an apocalyptic number.

It is an amenable number.

74997492 is an abundant number, since it is smaller than the sum of its proper divisors (99996684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74997492 is a wasteful number, since it uses less digits than its factorization.

74997492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249798 (or 6249796 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 74997492 is about 8660.1092371863. The cubic root of 74997492 is about 421.7116318671.

The spelling of 74997492 in words is "seventy-four million, nine hundred ninety-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 6249791 12499582 18749373 24999164 37498746 74997492