10143740 has 24 divisors (see below), whose sum is σ = 21390432. Its totient is φ = 4040640.

The previous prime is 10143737. The next prime is 10143761. The reversal of 10143740 is 4734101.

It is a super-2 number, since 2×10143740² = 205790922375200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4625 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (891268).

Almost surely, 2^10143740 is an apocalyptic number.

10143740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143740 is an abundant number, since it is smaller than the sum of its proper divisors (11246692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10143740 is a wasteful number, since it uses less digits than its factorization.

10143740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 10143740 is about 3184.9238609424. The cubic root of 10143740 is about 216.4708236902.

Adding to 10143740 its reverse (4734101), we get a palindrome (14877841).

The spelling of 10143740 in words is "ten million, one hundred forty-three thousand, seven hundred forty".