[go: up one dir, main page]

Search a number
-
+
74481007 = 1912373169
BaseRepresentation
bin1000111000001…
…11110101101111
312012011000201211
410130013311233
5123031343012
611220215251
71563035536
oct434076557
9165130654
1074481007
1139051757
1220b3a527
131257a303
149c6b31d
1568136a7
hex4707d6f

74481007 has 8 divisors (see below), whose sum is σ = 78489200. Its totient is φ = 70481664.

The previous prime is 74480981. The next prime is 74481049. The reversal of 74481007 is 70018447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74481007 - 215 = 74448239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74481007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74481067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21919 + ... + 25087.

It is an arithmetic number, because the mean of its divisors is an integer number (9811150).

Almost surely, 274481007 is an apocalyptic number.

74481007 is a deficient number, since it is larger than the sum of its proper divisors (4008193).

74481007 is a wasteful number, since it uses less digits than its factorization.

74481007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74481007 is about 8630.2379457348. The cubic root of 74481007 is about 420.7413343274.

The spelling of 74481007 in words is "seventy-four million, four hundred eighty-one thousand, seven".

Divisors: 1 19 1237 3169 23503 60211 3920053 74481007