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74429481 = 3723116333
BaseRepresentation
bin1000110111110…
…11010000101001
312012001102001110
410123323100221
5123023220411
611215140533
71562432400
oct433732051
9165042043
1074429481
1139016a75
1220b14749
131255ca19
149c56637
1568032a6
hex46fb429

74429481 has 24 divisors (see below), whose sum is σ = 119172864. Its totient is φ = 41156640.

The previous prime is 74429471. The next prime is 74429489. The reversal of 74429481 is 18492447.

It is not a de Polignac number, because 74429481 - 211 = 74427433 is a prime.

It is a super-2 number, since 2×744294812 = 11079495283858722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74429489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3610 + ... + 12723.

It is an arithmetic number, because the mean of its divisors is an integer number (4965536).

Almost surely, 274429481 is an apocalyptic number.

It is an amenable number.

74429481 is a deficient number, since it is larger than the sum of its proper divisors (44743383).

74429481 is a wasteful number, since it uses less digits than its factorization.

74429481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381 (or 16374 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 74429481 is about 8627.2522276794. The cubic root of 74429481 is about 420.6442889195.

The spelling of 74429481 in words is "seventy-four million, four hundred twenty-nine thousand, four hundred eighty-one".

Divisors: 1 3 7 21 31 49 93 147 217 651 1519 4557 16333 48999 114331 342993 506323 800317 1518969 2400951 3544261 10632783 24809827 74429481