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74401041 = 31113173429
BaseRepresentation
bin1000110111101…
…00010100010001
312011222222001010
410123310110101
5123021313131
611214401133
71562253441
oct433642421
9164888033
1074401041
1138aa7670
1220b001a9
131254cab0
149c4a121
1567e9b46
hex46f4511

74401041 has 16 divisors (see below), whose sum is σ = 116544960. Its totient is φ = 41622720.

The previous prime is 74401031. The next prime is 74401073. The reversal of 74401041 is 14010447.

It is not a de Polignac number, because 74401041 - 27 = 74400913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74400999 and 74401017.

It is not an unprimeable number, because it can be changed into a prime (74401031) 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, 86286 + ... + 87143.

It is an arithmetic number, because the mean of its divisors is an integer number (7284060).

Almost surely, 274401041 is an apocalyptic number.

It is an amenable number.

74401041 is a deficient number, since it is larger than the sum of its proper divisors (42143919).

74401041 is a wasteful number, since it uses less digits than its factorization.

74401041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173456.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 74401041 is about 8625.6038049519. The cubic root of 74401041 is about 420.5907051000.

Adding to 74401041 its reverse (14010447), we get a palindrome (88411488).

The spelling of 74401041 in words is "seventy-four million, four hundred one thousand, forty-one".

Divisors: 1 3 11 13 33 39 143 429 173429 520287 1907719 2254577 5723157 6763731 24800347 74401041