Search a number
-
+
74370442 = 2297916231
BaseRepresentation
bin1000110111011…
…00110110001010
312011221102001211
410123230312022
5123014323232
611214003334
71562065306
oct433546612
9164842054
1074370442
1138a86683
1220aa654a
131253bba3
149c3cd06
1567e0a47
hex46ecd8a

74370442 has 16 divisors (see below), whose sum is σ = 116870400. Its totient is φ = 35446320.

The previous prime is 74370437. The next prime is 74370449. The reversal of 74370442 is 24407347.

It is not an unprimeable number, because it can be changed into a prime (74370449) 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, 3534 + ... + 12697.

It is an arithmetic number, because the mean of its divisors is an integer number (7304400).

Almost surely, 274370442 is an apocalyptic number.

74370442 is a deficient number, since it is larger than the sum of its proper divisors (42499958).

74370442 is a wasteful number, since it uses less digits than its factorization.

74370442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16341.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 74370442 is about 8623.8298916433. The cubic root of 74370442 is about 420.5330382559.

Adding to 74370442 its reverse (24407347), we get a palindrome (98777789).

The spelling of 74370442 in words is "seventy-four million, three hundred seventy thousand, four hundred forty-two".

Divisors: 1 2 29 58 79 158 2291 4582 16231 32462 470699 941398 1282249 2564498 37185221 74370442