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74901740 = 2253745087
BaseRepresentation
bin1000111011011…
…10100011101100
312012221101212112
410131232203230
5123133323430
611233223152
71566440264
oct435564354
9165841775
1074901740
1139309871
1221101ab8
1312696974
149d3a7a4
156898195
hex476e8ec

74901740 has 12 divisors (see below), whose sum is σ = 157293696. Its totient is φ = 29960688.

The previous prime is 74901737. The next prime is 74901763. The reversal of 74901740 is 4710947.

It is a super-2 number, since 2×749017402 = 11220541310055200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74901697 and 74901706.

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, 1872524 + ... + 1872563.

It is an arithmetic number, because the mean of its divisors is an integer number (13107808).

Almost surely, 274901740 is an apocalyptic number.

It is an amenable number.

74901740 is an abundant number, since it is smaller than the sum of its proper divisors (82391956).

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

74901740 is a wasteful number, since it uses less digits than its factorization.

74901740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745096 (or 3745094 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 74901740 is about 8654.5791347702. The cubic root of 74901740 is about 421.5320839558.

The spelling of 74901740 in words is "seventy-four million, nine hundred one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3745087 7490174 14980348 18725435 37450870 74901740