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74949995 = 514989999
BaseRepresentation
bin1000111011110…
…10010101101011
312020000212001202
410131322111223
5123141344440
611234234415
71600031051
oct435722553
9166025052
1074949995
113934204a
1221125a0b
13126b2913
149d501d1
1568a7615
hex477a56b

74949995 has 4 divisors (see below), whose sum is σ = 89940000. Its totient is φ = 59959992.

The previous prime is 74949961. The next prime is 74949997. The reversal of 74949995 is 59994947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74949995 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74949995.

It is not an unprimeable number, because it can be changed into a prime (74949997) 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, 7494995 + ... + 7495004.

It is an arithmetic number, because the mean of its divisors is an integer number (22485000).

Almost surely, 274949995 is an apocalyptic number.

74949995 is a deficient number, since it is larger than the sum of its proper divisors (14990005).

74949995 is a wasteful number, since it uses less digits than its factorization.

74949995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990004.

The product of its digits is 3674160, while the sum is 56.

The square root of 74949995 is about 8657.3665164414. The cubic root of 74949995 is about 421.6225877014.

The spelling of 74949995 in words is "seventy-four million, nine hundred forty-nine thousand, nine hundred ninety-five".

Divisors: 1 5 14989999 74949995