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75696741 = 3319147557
BaseRepresentation
bin1001000001100…
…00101001100101
312021102210102000
410200300221211
5123334243431
611302235513
71606261131
oct440605145
9167383360
1075696741
113980209a
1221425b99
13128b4793
14a0a63c1
1569a39e6
hex4830a65

75696741 has 16 divisors (see below), whose sum is σ = 118046400. Its totient is φ = 47808144.

The previous prime is 75696713. The next prime is 75696781. The reversal of 75696741 is 14769657.

It is a happy number.

It is not a de Polignac number, because 75696741 - 27 = 75696613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75696781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73266 + ... + 74291.

It is an arithmetic number, because the mean of its divisors is an integer number (7377900).

Almost surely, 275696741 is an apocalyptic number.

It is an amenable number.

75696741 is a deficient number, since it is larger than the sum of its proper divisors (42349659).

75696741 is a wasteful number, since it uses less digits than its factorization.

75696741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147585 (or 147579 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 75696741 is about 8700.3874051677. The cubic root of 75696741 is about 423.0182075559.

The spelling of 75696741 in words is "seventy-five million, six hundred ninety-six thousand, seven hundred forty-one".

Divisors: 1 3 9 19 27 57 171 513 147557 442671 1328013 2803583 3984039 8410749 25232247 75696741