[go: up one dir, main page]

Search a number
-
+
74607985 = 5174991759
BaseRepresentation
bin1000111001001…
…10110101110001
312012101110220201
410130212311301
5123044423420
611223035201
71564104664
oct434466561
9165343821
1074607985
11391290a1
1220b9bb01
13125c304a
149ca16db
15683b10a
hex4726d71

74607985 has 16 divisors (see below), whose sum is σ = 95040000. Its totient is φ = 56030976.

The previous prime is 74607983. The next prime is 74607989. The reversal of 74607985 is 58970647.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74607985 - 21 = 74607983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74607983) 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, 41536 + ... + 43294.

It is an arithmetic number, because the mean of its divisors is an integer number (5940000).

Almost surely, 274607985 is an apocalyptic number.

It is an amenable number.

74607985 is a deficient number, since it is larger than the sum of its proper divisors (20432015).

74607985 is a wasteful number, since it uses less digits than its factorization.

74607985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 74607985 is about 8637.5913888074. The cubic root of 74607985 is about 420.9802970902.

The spelling of 74607985 in words is "seventy-four million, six hundred seven thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 499 1759 2495 8483 8795 29903 42415 149515 877741 4388705 14921597 74607985